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2023 in paleobotany

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Overview of the events of 2023 in paleobotany
List of years in paleobotany
In paleontology
2020
2021
2022
2023
2024
2025
2026
In arthropod paleontology
2020
2021
2022
2023
2024
2025
2026
In paleoentomology
2020
2021
2022
2023
2024
2025
2026
In paleomalacology
2020
2021
2022
2023
2024
2025
2026
In reptile paleontology
2020
2021
2022
2023
2024
2025
2026
In archosaur paleontology
2020
2021
2022
2023
2024
2025
2026
In mammal paleontology
2020
2021
2022
2023
2024
2025
2026
In paleoichthyology
2020
2021
2022
2023
2024
2025
2026

This paleobotany list records new fossil plant taxa that were to be described during the year 2023, as well as notes other significant paleobotany discoveries and events which occurred during 2023.

Algae

Charophytes

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Chara chhindwaraensis

Sp. nov

Valid

Khosla et al.

Late Cretaceous-Paleocene transition

Deccan Intertrappean Beds

 India

A species of Chara.

Hornichara jianglingensis

Comb. nov

(Wang)

Eocene

 China

A member of the family Characeae. Moved from Obtusochara jianglingensis Wang (1978).

Microchara shivarudrappai

Sp. nov

Valid

Khosla et al.

Late Cretaceous-Paleocene transition

Deccan Intertrappean Beds

 India

Platychara closasi

Sp. nov

Valid

Khosla et al.

Late Cretaceous-Paleocene transition

Deccan Intertrappean Beds

 India

Chlorophytes

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Acicularia guizhouensis

Sp. nov

Valid

Bucur, Enos & Minzoni

Middle Triassic

 China

A green alga belonging to the group Dasycladales.

Archaeochaeta

Gen. et sp. nov

Valid

Maloney et al.

Tonian

Dolores Creek Formation

 Canada
( Yukon)

The type species is A. guncho.

Chaetocladus vasalemmense

Sp. nov

Kröger & Tinn in Kröger et al.

Ordovician (Sandbian)

Vasalemma Formation

 Estonia

Eocladus estoniense

Sp. nov

Kröger & Tinn in Kröger et al.

Ordovician (Sandbian)

Vasalemma Formation

 Estonia

Kantia granieri

Sp. nov

Valid

Bucur, Enos & Minzoni

Middle Triassic

 China

A green alga belonging to the group Dasycladales.

Kantia intusannulata

Sp. nov

Valid

Bucur, Enos & Minzoni

Middle Triassic

 China

A green alga belonging to the group Dasycladales.

Kantia muxinanii

Sp. nov

Valid

Bucur, Enos & Minzoni

Middle Triassic

 China

A green alga belonging to the group Dasycladales.

Palaeoulvaria

Gen. et sp. nov

Valid

Kolosov

Ediacaran

Byuk Formation

 Russia

A green alga belonging to the group Ulvales. The type species is P. plate.

Parachlamydomonas

Gen. et sp. nov

Valid

Gan et al.

Middle Triassic

Yanchang Formation

 China

The type species is P. ellipasis.

Paraeudorina

Gen. et sp. nov

Valid

Gan et al.

Middle Triassic

Yanchang Formation

 China

The type species is P. spheroesis.

Paraoocystis

Gen. et sp. nov

Valid

Gan et al.

Middle Triassic

Yanchang Formation

 China

The type species is P. ovalsis.

Pseudocarteria

Gen. et sp. nov

Gan et al.

Middle Triassic

Yanchang Formation

 China

The type species is P. globuloesis. The generic name is shared with Pseudocarteria Ettl.

Sphaeroplea striatocristata

Sp. nov

Perez Loinaze et al.

Late Cretaceous (Maastrichtian)

Chorrillo Formation

 Argentina

A species of Sphaeroplea.

Voronocladus

Gen. et sp. nov

In press

Skompski et al.

Silurian

 Ukraine

Originally described as a green alga belonging to the group Dasycladales and the family Triploporellaceae; subsequently argued by LoDuca (2024) to be a member of Bryopsidales. Genus includes new species V. dryganti.

Phycological research

Lycophytes

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Nothostigma sepeensis

Sp nov

Spiekermann, Jasper, Guerra-Sommer & D. Uhl

Early Permian
Cisuralian

 Brazil

An herbaceous lycopsid

Selaginella quatsinoense

Sp. nov

Valid

Rothwell & Stockey

Early Cretaceous (Valanginian)

Longarm Formation

 Canada
( British Columbia)

A species of Selaginella.

Thomasites

Gen., sp. et comb. nov

Bek et al.

Carboniferous

 Czech Republic
 Germany

A herbaceous lycophyte.
Genus includes new species T. serratus
also includes Lycopodites elongatus Goldenberg (1855).

Lycophyte research

  • A study on the ground-level trunk vasculature of Sigillaria approximata from the Pennsylvanian Calhoun Coal of Illinois (United States) is published by D'Antonio (2023), who finds evidence indicating that wood growth at the base of the trunk was different from the arborescent lycopsid wood growth model of Cichan (1985).
  • Turner et al. (2023) report diverse phyllotaxis in leaves of the lycopod Asteroxylon mackiei from the Devonian Rhynie chert (United Kingdom), including whorls and spirals, and interpret this finding as suggesting that Fibonacci-style patterning was not ancestral to living land plants, as well as indicative of developmental similarities between lycophyte leaves and reproductive structures.

Ferns and fern allies

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Botryopteridium sinensis

Sp. nov

Zhou et al.

Permian

 China

A botryopterid fern.

Conustheca

Gen. et comb. nov

Fernández & Césari

Carboniferous-Permian transition

Bajo de Véliz Formation

 Argentina

A member of Equisetales. The type species is Tchernovia? velizensis Durán, Hünicken & Antón (1997).

Diplazites campbellii

Sp. nov

Pšenička et al.

Carboniferous
Kasimovian

 Canada
 Nova Scotia

A psaroniaceous marattialean fern.

Dizeugotheca saudica

Comb. nov

(Wagner, Hill & El-Khayal)

Permian

 Saudi Arabia

A member of the family Marattiaceae. Moved from Gemellitheca saudica Wagner, Hill & El-Khayal (1985).

Dryopterites beishanensis

Sp nov

Ren & Sun

Late Cretaceous

Chijinbao Formation

 China

A fern
First announced in 2022
Officially published in 2023

Equisetum kekeense

Sp. nov

Zhang & Xie in Cao et al.

Miocene

Youshashan Formation

 China

A species of Equisetum.

Equisetum siwalikum

Sp. nov

Kundu, Hazra & Khan in Kundu et al.

Miocene

 India

A species of Equisetum.

Equisetum wulanense

Sp. nov

Zhang & Xie in Cao et al.

Miocene

Youshashan Formation

 China

A species of Equisetum.

Goeppertella unicyclica

Sp. nov

Escapa & Yañez in Yañez, Escapa & Choo

Early Jurassic (Pliensbachian)

 Argentina

A member of the family Dipteridaceae.

Microlepia burmasia

Sp. nov

Valid

Long, Wang, & Shi

Cretaceous

Burmese amber

 Myanmar

A fern of uncertain affinities. Originally described as a dennstaedtiaceous fern, but this classification was contested by Zhang (2024). Published online in 2022, but the issue date of the article naming it is listed as March 2023.

Palaeosorum siwalikum

Sp. nov

Valid

Kundu, Hazra & Khan in Kundu et al.

Miocene

 India

A member of the family Polypodiaceae. Announced in 2023; the final version of the article naming it was published in 2024.

Prosperifilix

Gen. et sp. nov

In press

Wang, Shi & Engel in et al.

Cretaceous

Burmese amber

 Myanmar

A member of the family Dryopteridaceae.
The type species is P. sepeliogladius.

Qasimia archangelskyi

Sp. nov

Kerp et al.

Permian

Umm Irna Formation

 Jordan

A member of the family Marattiaceae.

Szea yunnanensis

Sp. nov

Guo, Zhou & Feng in Guo et al.

Permian (Lopingian)

Xuanwei Formation

 China

A leptosporangiate fern.

Todea minutacaulis

Sp. nov

Walker, Rothwell & Stockey

Early Cretaceous (Valanginian)

 Canada
( British Columbia)

A species of Todea.

Trichomanes angustum

Comb. nov

(Li & Wang)

Cretaceous (Albian-Cenomanian)

Burmese amber

 Myanmar

A member of the family Hymenophyllaceae, a species of Trichomanes sensu lato. Moved from Hymenophyllites angustus Li & Wang (2022).

Pteridological research

  • A study on fossils of Pecopteris from the Mazon Creek fossil beds (Illinois, United States), indicative of association of a suite of saturated phytohopanoid and aromatised terpenoid diagenetic biomarker products with true fern fossils, is published by Tripp et al. (2023).
  • Blanco-Moreno & Buscalioni (2023) identify Sphenopteris wonnacottii as a junior synonym of Coniopteris laciniata, provide whole plant reconstruction of C. laciniata, and interpret the variability of the pinnules of C. laciniata as likely caused by the submersion of the apical part of fronds in water during their development.

Ginkgophytes

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Austroginkgoxylon

Gen. et sp. nov

Martínez & Leppe in Martínez et al.

Late Cretaceous (Maastrichtian)

Dorotea Formation

 Chile

A member of Ginkgoales. The type species is A. dutrae.

Eretmophyllum polypapillosum

Sp. nov

Valid

Frolov & Mashchuk

Jurassic

Prisayan Formation

 Russia

Eretmophyllum yershowskiensis

Sp. nov

Valid

Frolov & Mashchuk

Jurassic

Prisayan Formation

 Russia

Ginkgo henanensis

Sp. nov

Valid

Li & Xu in Li et al.

Paleocene

Dazhang Formation

 China

A species of Ginkgo.

Karkenia archangelskiana

Sp. nov

Nosova in Nosova, Kostina & Afonin

Early Cretaceous (Aptian–Albian)

Khuren Dukh Formation

 Mongolia

A member of the family Karkeniaceae.

Sphenobaiera krassilovii

Sp. nov

Nosova, Kostina & Afonin

Early Cretaceous (Aptian–Albian)

Khuren Dukh Formation

 Mongolia

Conifers

Cheirolepidiaceae

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Classostrobus archangelskyi

Sp. nov

Kvaček, Mendes & Tekleva

Cretaceous
(late Aptian-early Albian)

Figueira da Foz Formation

 Portugal

Pararaucaria laiyangensis

Sp. nov

Jin et al.

Early Cretaceous

Laiyang Formation

 China

Pseudofrenelopsis dinisii

Sp. nov

Mendes, Kvaček & Doyle

Cretaceous
(Hauterivian?)

Santa Susana Formation

 Portugal

A cheirolepidiaceous foliage morphospecies

Pseudofrenelopsis zlatkoi

Sp. nov

Kvaček & Mendes

Cretaceous
(late Aptian-early Albian)

Figueira da Foz Formation

 Portugal

A cheirolepidiaceous foliage morphospecies

Cordaitaceae

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Florinanthus bussacensis

Sp. nov

Correia et al.

Carboniferous (Gzhelian)

 Portugal

Florinanthus longiantheratus

Sp. nov

Bureš et al.

Carboniferous (Moscovian)

Plzeň Basin

 Czech Republic

Pollen-bearing organs of a member of Cordaitales.

Cupressaceae

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Amurodendron

Gen. et sp. nov

Valid

Sokolova et al.

Paleocene

 Russia
( Amur Oblast)

A conifer with affinities with the family Cupressaceae. The type species is A. pilosum. Published online in 2024, but the issue date is listed as December 2023.

Juniperus chifengensis

Sp. nov

Xiao & Guo in Guo et al.

Miocene

 China

A species of Juniper.

Mukawastrobus arnoldii

Sp. nov

Valid

Rothwell, Stockey & Smith

Late Cretaceous

 United States
( Alaska)

A taiwanioid cupressaceous conifer.

Pinaceae

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Keteleeria farjonii

Sp. nov

Valid

Wheeler, Manchester & Baas

Eocene

John Day Formation

 United States
( Oregon)

A species of Keteleeria.

Keteleeria huolinhensis

Sp. nov

Zhu et al.

Early Cretaceous

Huolinhe Formation

 China

A species of Keteleeria.

Pinus bukatkinii

Sp. nov

Valid

Bazhenova et al.

Middle Jurassic

 Russia
( Belgorod Oblast)

A pine.

Tsuga weichangensis

Sp. nov

In press

Li et al.

Miocene

 China

A species of Tsuga.
Announced in Feb 2023, formally published Jan 2024

Podocarpaceae

Name Novelty Status Authors Age Type locality Location Synonymy Notes Images

Acmopyle grayae

Sp. nov

Andruchow-Colombo et al.

Eocene

Laguna del Hunco Formation

 Argentina

A species of Acmopyle.

Dacrycarpus engelhardti

Comb. nov

(Berry)

Eocene

 Argentina

A species of Dacrycarpus. Moved from Podocarpus engelhardti Berry (1938).

Phyllocladoxylon antarcticum

Sp. nov

valid

Pujana et al.

Oligocene

San José Formation

 Chile

A podocarpaceous wood morphospecies
Announced in 2022
Officially published in 2023

Podocarpoxylon paradoxi

Sp. nov

Martínez & Leppe in Martínez et al.

Late Cretaceous (Maastrichtian)

Dorotea Formation

 Chile

A podocarpaceous wood morphospecies.

Podocarpoxylon resinosum

Sp. nov

valid

Pujana et al.

Oligocene

San José Formation

 Chile

A podocarpaceous wood morphospecies
Announced in 2022
Officially published in 2023

Voltziales

Name Novelty Status Authors Age Type locality Location Synonymy Notes Images

Hexicladia

Gen. et sp. nov

Valid

Wang et al.

Permian (Cisuralian)

Shanxi Formation

 China

A voltzialean conifer.
The type species is H. yongchangensis.
Announced in 2022
Officially published in 2023

Other conifers

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Brachyoxylon qijiangense

Sp. nov

Xie, Wang & Tian in Xie et al.

Middle Jurassic

Shaximiao Formation

 China

A member of Pinales of uncertain affinities.

Brachyphyllum dimorpha

Sp. nov

Morales-Toledo & Cevallos-Ferriz

Middle Jurassic

Otlaltepec Formation

 Mexico

Coniferous foliage of uncertain affinities.

Mirovia oskolica

Sp. nov

Nosova in Nosova & Lyubarova

Middle Jurassic (Bajocian–Callovian)

 Russia
( Belgorod Oblast)

Coniferous leaves assigned to the family Miroviaceae.

Parnaiboxylon wangi

Sp. nov

Wang et al.

Carboniferous
(Moscovian)

Benxi Formation

 China

A coniferous petrified wood.

Platycladium mexicana

Sp. nov

Morales-Toledo & Cevallos-Ferriz

Middle Jurassic

Otlaltepec Formation

 Mexico

Secrospiroxylon

Gen. et sp. nov

Valid

Cai, Zhang & Feng in Cai et al.

Permian

 Mongolia

A coniferous stem. The type species is S. tolgoyensis.

Yiwupitys

Gen. et sp. nov

Gou & Feng in Gou et al.

Middle Jurassic

Xishanyao Formation

 China

A conifer stem of uncertain affinities. The type species is Y. elegans.

Conifer research

  • Trümper et al. (2023) report the discovery of fossil trees from the Athesian Volcanic Group (Italy) interpreted as remains of a Permian (Kungurian) forest where conifers were the major arborescent plants, substantiating the presence of coniferopsids in wetlands around the Carboniferous/Permian boundary.
  • Slodownik et al. (2023) describe new fossil material (including the first putative female reproductive remains) of Araucarioides linearis from the Eocene Macquarie Harbour Formation (Australia), interpret Araucarioides sinuosa to be a junior synonym of A. linearis, and consider A. linearis to be a non-Agathis agathioid belonging to an extinct lineage that originated in the Cretaceous, lived in high paleolatitudes and had adaptations to seasonal environments which allowed it to survive the Cretaceous–Paleogene extinction event.
  • Andruchow-Colombo et al. (2023) review the fossil record of Podocarpaceae, and argue that the earliest reliable occurrences of members of this family are from the Jurassic of both hemispheres.

Flowering plants

Monocots

Alismatales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Appianospadix

Gen. et sp. nov

Valid

Stockey et al.

Eocene

 Canada
( British Columbia)

A member of the family Araceae. The type species is A. bogneri

Nichima

Gen. et 2 sp. nov

Hernández-Sandoval, Cevallos-Ferriz & Hernández-Damián

Oligocene-Miocene

 Mexico

A member of the family Alismataceae. Genus includes N. magalloniae and N. gonzalez-medranoi.

Arecales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Cryosophiloxylon indicum

Sp. nov

Valid

Kumar & Khan

Cretaceous (Maastrichtian)-Paleocene (Danian)

Deccan Intertrappean Beds

 India

A member of the tribe Cryosophileae. Published online in 2023; the final version of the article naming it was published in 2024.

Palmocarpon dicellaformis

Comb. nov

(Berry)

Oligocene

 Peru

synonymy
  • Matayba belenensis
    Berry (1929)

A palm fruit with affinities to extant Bactridinae.
Moved from Carpolithus dicellaformis Berry (1929).

Sabalites siwalicus

Sp. nov

Valid

Mahato & Khan

Miocene

Chunabati Formation

 India

Published online in 2024, but the issue date is listed as December 2023.

Basal eudicots

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Macginitiea basilobata

Comb. nov

(Ward)

Paleocene

 United States
( Montana)

Moved from Platanus basilobata Ward (1887).

Macginitiea rannii

Sp. nov

"Kisinger Lakes flora"

Huegele & Correa Narvaez

Eocene

 United States
( Wyoming)

Macginitiea rileyi

Comb. nov

(Ball)

Eocene

 United States
( Texas)

Moved from Platanus rileyi Ball (1939).

Megahertzia paleoamplexicaulis

Sp. nov

Valid

Carpenter & Rozefelds

Eocene

Salt Creek Formation

 Australia

A species of Megahertzia

Notocyamus

Gen. et sp. nov

Gobo et al in Gobo et al.

Early Cretaceous
(Barremian?/Aptian)

Crato Formation

 Brazil

A Nelumbonaceous lotus.
The type species is N. hydrophobus.

Palaeosinomenium oisensis

Sp. nov

Valid

Kara et al.

Paleocene

 France

A member of the family Menispermaceae. Published online in 2023; the final version of the article naming it was published in 2024.

Zizyphoides retusa

Comb. nov

Valid

(Heer)

Probably late Eocene

 Norway

A member of the family Trochodendraceae. Moved from Populus retusa Heer (1876).

Basal eudicot research

  • Evidence from the palynomorph fossil record, interpreted as indicating that members of the family Proteaceae reached South African Cape in the Late Cretaceous from North-Central Africa rather than from Australia across the Indian Ocean, is presented by Lamont, He & Cowling (2023).

Superasterids

Apiales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Plerandreoxylon oskolskii

Sp. nov

Valid

Wheeler, Manchester & Baas

Eocene

John Day Formation

 United States
( Oregon)

A member of the family Araliaceae.

Boraginales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Cordioxylon indicum

Sp. nov

Valid

Bhatia, Srivastava & Mehrotra

Miocene

Tipam Sandstone

 India

Fossil wood of a member of the genus Cordia. Announced in 2023; the final version of the article naming it was published in 2024.

Ericales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Symplocos kowalewskii

Comb nov

Valid

(Casp.) Sadowski & Hofmann

Eocene
Priabonian

Baltic Amber

 Europe

A Symplocaceous flower species.
Moved from Stewartia kowalewskii (1886).

Symplocos kowalewskii

Icacinales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Palaeophytocrene ga

Sp. nov

Poore, Jud & Gandolfo

Paleocene (Danian)

Salamanca Formation

 Argentina

A member of the family Icacinaceae belonging to the tribe Phytocreneae.

Lamiales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Phillyreoxylon phillyreoides

Sp. nov

Akkemik & Mantzouka in Akkemik et al.

Neogene

 Turkey

Fossil wood of a member of the genus Phillyrea.

Solanales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Eophysaloides

Gen. et sp. nov

Valid

Deanna et al.

Eocene

Esmeraldas Formation

 Colombia

A member of the family Solanaceae. The type species is E. inflata.

Lycianthoides

Gen. et sp. nov

Valid

Deanna et al.

Eocene

Green River Formation
Parachute Creek Member

 United States
( Colorado)

A member of the family Solanaceae. The type species is L. calycina.

General Superasterid research

Superrosids

Cucurbitales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Parvaspicula

Gen. et comb. nov

Valid

Correa et al.

Eocene
Ypresian

Green River Formation

 United States
( Colorado)

Antholithes pendula R.W. Brown, 1929

A tetramelaceous seed morphotype
The type species is P. lepidioides
Moved from Clethra (?) lepidioides Cockerell (1925)

Punctaphyllum

Gen. et comb. nov

Valid

Correa Narvaez et al.

Eocene
Ypresian

Green River Formation

 United States
( Colorado)

Aleurites glandulosa (Brown) MacGinitie, 1969
Dendropanax latens MacGinitie, 1974

A tetramelaceous leaf morphotype
The type species is P. glandulosa
Moved from Cucurbita glandulosa Brown (1929)

Fabales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Acacia haominiae

Sp. nov

Wang et al.

Miocene

Fotan Group

 China

A species of Acacia.

Albizia yenbaiensis

Sp. nov

Valid

Nguyen, Su & J. Huang in Nguyen et al.

Miocene

Yen Bai Basin

 Vietnam

An Albizia species.
Announced in 2022
Officially published January 2023

Anthonotha shimaglae

Sp. nov

Valid

Pan et al.

Miocene

Mush Valley

 Ethiopia

A species of Anthonotha.

Bauhinia tibetensis

Sp. nov

Gao & Su in Gao et al.

Paleocene

 China

A species of Bauhinia.

Englerodendron mulugetanum

Sp. nov

Valid

Pan et al.

Miocene

Mush Valley

 Ethiopia

A species of Englerodendron.

Entada simojovelensis

Sp. nov

Estrada-Ruiz & Gómez-Acevedo

Miocene

Simojovel Group

 Mexico

A species of Entada.

Goniorrhachisinoxylon

Gen. et sp. nov

Dutra, Martínez & Wilberger

Oligocene

 Brazil

A member of Detarioideae. The type species is G. sergioarchangelskii.

Fagales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Carya leroyii

Sp. nov

Valid

Wheeler, Manchester & Baas

Eocene

John Day Formation

 United States
( Oregon)

A hickory.

Engelhardia guipingensis

Sp. nov

Song & Jin in Song et al.

Miocene

Erzitang Formation

 China

A species of Engelhardia.

Gymnostoma stuartii

Sp. nov

Whang, Hill & Hill

Neogene

 Australia

A species of Gymnostoma.

Leguminocarpum meghalayensis

Sp. nov

valid

Bhatia, Srivastava & Mehrotra

Late Paleocene

Tura Formation

 India

A fabaceous seed pod morphospecies.
Announced in 2022
Officially published in 2023

Nothofagoxylon ruei

Sp. nov

valid

Pujana et al.

Oligocene

San José Formation

 Chile

A nothofagaceous wood morphospecies
Announced in 2022
Officially published in 2023

Parvileguminophyllum damalgiriensis

Sp. nov

Valid

Bhatia, Srivastava & Mehrotra

Late Paleocene

Tura Formation

 India

A fabaceous legume leaf morphospecies.
Announced in 2022
Officially published in 2023

Malpighiales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Elatine odgaardii

Sp. nov

Valid

Bennike in Bennike et al.

Probably early Pleistocene

 Greenland

A species of Elatine. Announced in 2022; the final article version was published in 2023.

Macaranga kirkjohnsonii

Sp. nov

Wilf, Iglesias & Gandolfo

Eocene (Ypresian)

Huitrera Formation

 Argentina

A species of Macaranga.

Passiflora sulcatasperma

Sp. nov

Hermsen

Pliocene

Gray Fossil Site

 United States
( Tennessee)

A species of Passiflora.

Tineafructus

Gen. et sp. nov

Wilf, Iglesias & Gandolfo

Eocene (Ypresian)

Huitrera Formation

 Argentina

A member of the family Euphorbiaceae belonging to the subfamily Acalyphoideae and the tribe Acalypheae. The type species is T. casamiquelae.

Trigonostemon zhangpuensis

Sp. nov

Valid

Dong & Sun in Zheng et al.

Miocene

Fotan Group

 China

A species of Trigonostemon.

Malvales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Bombax asiatica

Sp. nov

Valid

Hazra, Bera & Khan

Pliocene

 India

A species of Bombax.

Cistoxylon cistoides

Sp. nov

Akkemik & Mantzouka in Akkemik et al.

Neogene

 Turkey

Elizabethiaxylon

Gen. et sp. nov

In press

Ruiz, Pujana & Brea

Paleocene

Salamanca Formation

 Argentina

Fossil wood of a plant related to the Malvaceae. The type species is E. patagonicum.

Notomalvaceoxylon

Gen. et sp. nov

Martínez & Leppe in Martínez et al.

Late Cretaceous (Maastrichtian)

Dorotea Formation

 Chile

Fossil wood of a plant belonging to the Malvaceae. The type species is N. magallanense.

Pterospermum shuangxingii

Sp. nov

Valid

Zhao, Huang & Su in Zhao et al.

Miocene

Sanhaogou Formation

 China

A species of Pterospermum.

Myrtales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Conocarpoxylon

Gen. et sp. nov

Ramos et al.

Pleistocene

El Palmar Formation

 Argentina

Fossil wood of a member of the family Combretaceae. Genus includes new species C. cristalliferum.

Duabanga makumensis

Sp. nov

Valid

Bhatia, Srivastava & Mehrotra

Oligocene (Chattian)

Tikak Parbat Formation

 India

A species of Duabanga.

Myrtineoxylon hoffmannae

Sp. nov

valid

Pujana et al.

Oligocene

San José Formation

 Chile

A myrtaceous wood morphospecies.
Announced in 2022
Officially published in 2023

Sonneratioxylon barrocoloradoensis

Sp. nov

Pérez-Lara in Martínez et al.

Miocene (Aquitanian)

 Panama

A member of the family Lythraceae.

Terminalioxylon paravirens

Sp. nov

Ramos et al.

Pleistocene

El Palmar Formation

 Argentina

Fossil wood of a member of the family Combretaceae.

Terminalioxylon ushun

Sp. nov

Ramos et al.

Pleistocene

El Palmar Formation

 Argentina

Fossil wood of a member of the family Combretaceae.

Trapa haominiae

Sp. nov

Wu et al.

Miocene

Fotan Group

 China

A species of Trapa.

Oxalidales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Weinmannioxylon trichospermoides

Sp. nov

valid

Pujana et al.

Oligocene

San José Formation

 Chile

A cunoniaceous wood morphospecies.
Announced in 2022
Officially published in 2023

Rosales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Aphananthe manchesteri

Sp. nov

Valid

Hernández-Damián, Rubalcava-Knoth & Cevallos Ferriz

Miocene

La Quinta Formation (Mexican amber)

 Mexico

A species of Aphananthe.

Eopaliura

Gen. et sp. nov

Patel, Rana & Khan in Patel et al.

Eocene

Palana Formation

 India

A member of the family Rhamnaceae belonging to the tribe Paliureae. The type species is E. indica.

Ficus paleoauriculata

Sp. nov

Chandra et al.

Paleogene

 India

A species of Ficus.

Ficus paleodicranostyla

Sp. nov

Chandra et al.

Paleogene

 India

A species of Ficus.

Ficus paleovariegata

Sp. nov

Chandra et al.

Paleogene

 India

A species of Ficus.

Gouianiaites

Gen. et sp. nov

Valid

Centeno-González, Porras-Múzquiz & Estrada-Ruiz

Late Cretaceous (Campanian)

Olmos Formation

 Mexico

A member of the family Rhamnaceae. Genus includes new species G. muzquizensis.

Helicostyloxylon

Gen. et sp. nov

Valid

Martinez Martinez

Miocene

Ituzaingó Formation

 Argentina

A member of the family Moraceae. Genus includes new species H. paranensis.

Kageneckia coloradensis

Comb. nov

Valid

(Knowlton) Denk et al.

Eocene
Priabonian

Florissant Formation

 United States
( Colorado)

A species of Kageneckia.
Moved from Myrica coloradensis (1916).

Ulmus palaeoparvifolia

Sp. nov

Lu et al.

Miocene

Xiaolongtan Formation

 China

An elm.

Urticaleoxylon

Gen. et sp. nov

Valid

Wheeler, Manchester & Baas

Eocene

John Day Formation

 United States
( Oregon)

A member of Rosales with features found in urticalean families. The type species is U. stevensii.

Vauquelinia aculeata

Comb. nov

Valid

(Saporta) Denk et al.

Oligocene
Chattian

Aix-en-Provence Formation

 France

synonymy

A species of Vauquelinia.
Moved from Myrica aculeata (1873)
First named Banksites aculeatus (1862).

Vauquelinia obscura

Comb. nov

Valid

(Saporta) Denk et al.

Oligocene
Rupelian

Saint-Zacharie Limestone

 France

synonymy

A species of Vauquelinia.
Moved from Banksites obscurus Saporta (1863).

Vauquelinia serra

Comb. nov

Valid

(Unger) Denk et al.

Miocene

Parschlug Basin

 Austria

synonymy

A species of Vauquelinia.
Moved from Prinsepia serra (2004)
First named Quercus serra (1847).

Sapindales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Aesculus constabularisii

Sp. nov

Valid

Wheeler, Manchester & Baas

Eocene

John Day Formation

 United States
( Oregon)

A species of Aesculus.

Bursericarpum indicum

Sp. nov

Valid

Kumar et al.

Cretaceous-Paleogene transition

Deccan Intertrappean Beds

 India

A burseraceous fruit.

Burseroxylon panzai

Sp. nov

Rombola et al.

Late Cretaceous

Cardiel Formation

 Argentina

Fossil wood with possible affinities with Anacardiaceae or Burseraceae.

Canarium leenhoutsii

Sp. nov

In press

Beurel et al.

Miocene

Zhangpu amber

 China

A species of Canarium.

Canarium wangboi

Sp. nov

In press

Beurel et al.

Miocene

Zhangpu amber

 China

A species of Canarium.

Cyrtocarpa biapertura

Sp. nov

Valid

Del Rio et al.

Paleocene and Eocene

 France

A species of Cyrtocarpa.

Debursera

Gen. et sp. nov

Valid

Kumar et al.

Cretaceous-Paleogene transition

Deccan Intertrappean Beds

 India

A burseraceous flower. The type species is D. indica.

Klaassenoxylon

Gen. et sp. et comb. nov

Wheeler, Manchester & Baas

Eocene

John Day Formation

 United States
( Oregon)

A member of the family Sapindaceae. Genus includes new species K. wilkinsonii, as well as "Sapindoxylon" klaassenii Wheeler & Manchester (2002).

Sahniocarpon deccanensis

Comb. nov

Valid

(Karanjekar)

Late Cretaceous

 India

A member of the family Burseraceae. Moved from Cremocarpon deccanii Karanjekar (1984).

Swietenia palaeomahagoni

Sp. nov

Valid

Chandra et al.

Paleogene

 India

A species of Swietenia.

Saxifragales

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Liquidambar hainanensis

Sp. nov

Maslova et al.

Eocene

Changchang Formation

 China

A species of Liquidambar.

Liquidambar ovoidea

Sp. nov

Maslova et al.

Eocene

Changchang Formation

 China

A species of Liquidambar.

Parrotia zhiyanii

Sp. nov

Valid

Wu et al.

Miocene

Zhangpu amber

 China

A species of Parrotia. Published online in 2023; the final version of the article naming it was published in 2024.

Other superrosids

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Friisifructus

Gen. et sp. nov

Valid

Tang, Smith & Atkinson

Late Cretaceous
(Campanian)

Cedar District Formation

 United States
 Washington

Rosid clade fruits of uncertain affinities.
The type species is F. aligeri.

Superrosid research

  • Nishino et al. (2023) study the composition of a fossil forest from the Miocene Nakamura Formation of the Mizunami Group (Japan), including stumps of Wataria parvipora and leaves of Byttneriophyllum tiliifolium, and interpret their finding as suggesting that W. parvipora and B. tiliifolium were parts of the same plant, as well as suggesting that Byttneriophyllum-bearing plants might have belonged to the subfamily Helicteroideae.

Other angiosperms

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Ascarinophyllum

Gen. et sp. nov

valid

Čepičková & Kvaček

Late Cretaceous
(Cenomanian)

Peruc–Korycany Formation

 Czech Republic

A Basal angiosperm leaf morphogenus
Similar to Mesodescolea plicata and Chloranthaceae.
The type species is A. pecinovense.
Officially published in 2023

Cinnamomum miocenicum

Sp. nov

Mahato, Hazra & Khan in Mahato et al.

Miocene

Chunabati Formation

 India

A species of Cinnamomum.

Compitoxylon

Gen. et sp. nov

Gentis, De Franceschi & Boura in Gentis et al.

Paleocene (Danian-Selandian)

Paunggyi Formation

 Myanmar

Fossil wood with anatomical features found in diverse extant flowering plant groups, might be placed at the base of the asterids, close to Malpighiales, close to Proteales at the base of eudicots, or even in Laurales. The type species is C. paleocenicum.

Magnolia hansnooteboomii

Sp. nov

Valid

Wheeler, Manchester & Baas

Eocene

John Day Formation

 United States
( Oregon)

A species of Magnolia.

Palibinia comptonifolia

Comb. nov

(Brown) Manchester, Judd, & Kodrul

Eocene
Ypresian

Green River Formation

 United States
( Colorado)

A pentapetalean eudicot of uncertain affiliation.
Moved from Vauquelinia comptonifolia (1969)
Originally named Banksia comptonifolia (1934)

Papillaephyllum

Gen. et sp. nov

Čepičková & Kvaček

Late Cretaceous
(Cenomanian)

Peruc–Korycany Formation

 Czech Republic

Foliage of a flowering plant, possibly with affinities with the family Chloranthaceae.
The type species is P. labutae.

Pteroheterochrosperma

Gen. et sp. nov

Valid

Smith, Greenwalt & Manchester

Eocene

Kishenehn Formation

 United States
( Montana)

Disseminules of uncertain affinities.
The type species is P. horseflyensis.

Pteroheterochrosperma horseflyensis

Quadrasubulaflora

Gen. et sp. nov

Valid

Smith, Greenwalt & Manchester

Eocene

Kishenehn Formation

 United States
( Montana)

Flower of uncertain affinities, possibly related to members of the family Apiaceae belonging to the tribe Saniculeae or to the subtribe Scandicinae within the tribe Scandiceae.
The type species is Q. kishenehnensis.

Racheliflora

Gen. et sp. nov

Valid

Friis, Crane & Pedersen

Early Cretaceous

Potomac Group

 United States
( Virginia)

An early angiosperm of uncertain phylogenetic placement, most closely related to magnoliids, possibly with lauralean affinities.
The type species is R. virginiensis.

Todziaphyllum saportanum

Comb. nov

valid

(Velenovský) Čepičková & Kvaček

Late Cretaceous
(Cenomanian)

Peruc–Korycany Formation

 Czech Republic

A Basal angiosperm leaf morphogenus
A new combination for Banksites saportanus
Officially published in 2023

Tortorellixylon

Gen. et sp. nov

Rombola et al.

Late Cretaceous

Cardiel Formation

 Argentina

Fossil wood of a flowering plant of uncertain affinities. The type species is T. oligoporosum.

Xilinia

Gen. et sp. nov

Wang et al.

Early Cretaceous (Albian)

Shengli Formation

 China

An early angiosperm of uncertain affinities.
The type species is X. shengliensis.

  • A study on the affinities of Santaniella, based on data from new fossil material from the Lower Cretaceous Crato Formation (Brazil), is published by Pessoa et al. (2023), who don't support the interpretation of Santaniella as a ranuculid, and consider it to be a mesangiosperm of uncertain affinities, possibly a magnoliid.
  • Pessoa, Ribeiro & Christenhusz (2023) describe new fossil material of Araripia florifera from the Early Cretaceous of Brazil, interpret its anatomy as indicating that it did not belong to the family Calycanthaceae, and assign it to the new family Araripiaceae in the stem group of Laurales.

Angiosperm research

  • A study aiming to determine the affinities of 24 exceptionally preserved fossil flowers is published by López-Martínez et al. (2023).
  • A study aiming to determine the phylogenetic relationships of nine putative magnolialean fossils is published by Doyle & Endress (2023).
  • Chambers & Poinar (2023) reinterpret Endobeuthos paleosum as a member of the family Proteaceae; this interpretation is subsequently contested by Lamont & Ladd (2024).
  • A study on the diversification of the flowering plant throughout their evolutionary history is published by Thompson & Ramírez-Barahona (2023), who report evidence of stable extinction rates through time and find no evidence of a significant impact of the Cretaceous–Paleogene extinction event on the extinction rates of major flowering plant lineages.

Other plants

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Aberlemnia junggaria

Sp. nov

In press

Liu & Xu in Liu et al.

Silurian (Přídolí)

 China

Aberlemnia krizii

Sp. nov

Libertín, Kvaček & Bek

Silurian (Přídolí)

 Czech Republic

A vascular plant related to Lycophytina.

Archangelskyoxylon

Gen. et sp. nov

Gnaedinger, Brea & Martínez

Early Jurassic (Sinemurian–Toarcian)

Roca Blanca Formation

 Argentina

A member of the family Gnetidae. The type species is A. carlquistii.

Arlenea

Gen. et sp. nov

Ribeiro et al.

Early Cretaceous

Crato Formation

 Brazil

A member of the family Ephedraceae. The type species is A. delicata.

Aysenoxylon

Gen et sp nov

valid

Pujana et al.

Oligocene

San José Formation

 Chile

A wood morphospecies of uncertain affinity.
The type species is A. patorarensis.
Announced in 2022
Officially published in 2023

Campylopus lusitanicus

Sp. nov

Valid

Hedenäs, Bomfleur & Friis in Bomfleur et al.

Early Cretaceous (Aptian–Albian)

Almargem Formation

 Portugal

A moss, a species of Campylopus.

Canaliculidium

Gen. et sp. nov

Valid

Hedenäs, Bomfleur & Friis in Bomfleur et al.

Early Cretaceous (Aptian–Albian)

Almargem Formation

 Portugal

A moss belonging to the family Leucobryaceae. The type species is C. fissuratum.

Capesporangites

Gen. et sp. nov

Uhlířová, Pšenička & Sakala

Silurian (Přídolí)

 Czech Republic

A rhyniophytoid with bryophyte-like features. The type species is C. petrkraftii.

Chlorosphagnum

Gen. et sp. nov

Valid

Hedenäs, Bomfleur & Friis in Bomfleur et al.

Early Cretaceous (Aptian–Albian)

Almargem Formation

 Portugal

A moss, a member of Sphagnales of uncertain affinities. The type species is C. cateficense.

Cycadodendron

Gen. et sp. nov

Valid

Luthardt, Rößler & Stevenson

Permian (Sakmarian–Artinskian)

Leukersdorf Formation

 Germany

A gymnosperm with cycadalean affinities. The type species is C. galtieri.

Daohugoucladus

Gen. et sp. nov

Yang et al.

Middle Jurassic

Daohugou Beds

 China

A member of the family Gnetidae. The type species is D. sinensis.

Dicranodontium minutum

Sp. nov

Valid

Hedenäs, Bomfleur & Friis in Bomfleur et al.

Early Cretaceous (Aptian–Albian)

Almargem Formation

 Portugal

A moss, a species of Dicranodontium.

Hanophyllum

Gen. et sp. nov

Barbacka et al.

Early Jurassic (Pliensbachian)

 United States
( Alaska)

A cycadophyte foliage. The type species is H. varioserratum.

Kannaskoppianthus aasvoelensis

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Kannaskoppianthus komanthus

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Kannaskoppianthus switzianthus

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Kannaskoppianthus telepentatus

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Komlopteris artabeae

Comb. nov

(Herbst & Gnaedinger)

Early Jurassic

Nestares Formation

 Argentina

A corystosperm. Moved from Alicurana artabei Herbst & Gnaedinger (2002).

Komlopteris boolensis

Sp. nov

Slodownik, Hill & McLoughlin

Early Cretaceous (Valanginian–Barremian)

Rintoul Creek Formation

 Australia

A corystosperm.

Komlopteris constricta

Comb. nov

(Halle)

Late Jurassic (Oxfordian)

Upper Mount Flora Formation

Antarctica

A corystosperm. Moved from Thinnfeldia constricta Halle (1913).

Komlopteris khatangiensis

Comb. nov

(Sengupta)

Late Jurassic or Early Cretaceous

Dubrajpur Formation

 India

A corystosperm. Moved from Thinnfeldia khatangiensis Sengupta (1988).

Komlopteris nestarensis

Comb. nov

(Herbst & Gnaedinger)

Early Jurassic

Nestares Formation

 Argentina

A corystosperm. Moved from Alicurana nestarensis Herbst & Gnaedinger (2002).

Komlopteris purlawaughensis

Sp. nov

Slodownik, Hill & McLoughlin

Late Jurassic

Purlawaugh Formation

 Australia

A corystosperm.

Komlopteris tiruchirapalliense

Comb. nov

(Sukh-Dev & Rajanikanth)

Early Cretaceous

Sivaganga Formation

 India

A corystosperm. Moved from Sphenopteris tiruchirapalliense Sukh-Dev & Rajanikanth (1988).

Komlopteris victoriensis

Sp. nov

Slodownik, Hill & McLoughlin

Early Cretaceous (Aptian)

Eumeralla Formation

 Australia

A corystosperm.

Mongolitria

Gen. et 2 sp. nov

Bickner et al.

Early Cretaceous

 China
 Mongolia

A gymnosperm seed. Genus includes M. friisae and M. exesum.

Nebuloxyla

Gen. et sp. nov

Valid

Lalica & Tomescu

Devonian (Emsian)

 Canada
( Quebec)

An early euphyllophyte. Genus includes new species N. mikmaqiana.

Pachytesta duquesnei

Sp. nov

Vallois & Nel

Carboniferous (Pennsylvanian)

Bruay Formation

 France

A medullosalean "seed".

Paradoxa

Gen. et sp. nov

Liu, Shen & Wang

Middle Jurassic (Callovian)

Jiulongshan Formation

 China

A gymnosperm with several morphological features formerly restricted to angiosperms. The type species is P. huangii.

Paraephedra

Gen. et sp. nov

Trajano et al.

Early Cretaceous

Serra do Tucano Formation

 Brazil

Possibly a member of Ephedrales. Genus includes new species P. amazonensis.

Perplexa

Gen. et sp. nov

Valid

Pfeiler & Tomescu

Devonian

Battery Point Formation

 Canada
( Quebec)

An early euphyllophyte. The type species is P. praestigians.

Petalophyllites

Gen. et sp. nov

Valid

Hoffman & Crandall-Stotler

Paleocene

Paskapoo Formation

 Canada
( Alberta)

A liverwort belonging to the family Petalophyllaceae. The type species is P. speirsiae.

Petrosjania

Gen. et sp. nov

Valid

Snigirevsky & Lyubarova

Devonian

 Russia

A plant of uncertain affinities, with features characteristic of different groups of higher plants. The type species is P. salarina.

Phasmatocycas mazongshanensis

Sp. nov

Li & Du in Li et al.

Early Cretaceous

 China

A relative of Paleozoic primitive Cycadales.

Phoenicopsis (Windwardia) ningxiaensis

Sp. nov

Valid

He in He et al.

Middle Jurassic

Yanan Formation

 China

A member of Czekanowskiales.

Physcidium

Gen. et 2 sp. nov

Valid

Hedenäs, Bomfleur & Friis in Bomfleur et al.

Early Cretaceous (Aptian–Albian)

Almargem Formation

 Portugal

A moss belonging to the family Diphysciaceae. The type species is P. tortuosum; genus also includes P. simsimiae.

Polytrichastrum incurvum

Sp. nov

Valid

Hedenäs, Bomfleur & Friis in Bomfleur et al.

Early Cretaceous (Aptian–Albian)

Almargem Formation

 Portugal

A moss, a species of Polytrichastrum.

Pterophyllum beishanensis

Sp. nov

Li & Du in Li et al.

Early Cretaceous

Tuomatan Formation

 China

Psilophyton diakanthon

Sp nov

in press

Colston, Landaw, & Tomescu

Devonian
Emsian

Battery Point Formation

 Canada
 Quebec

A trimerophytopsid land plant
Bimodal spines suggest active levels of defense against herbivores

Qingganninginfructus

Gen. et sp. nov

Wang & Sun in Han et al.

Middle Jurassic

Yaojie Formation

 China

Possibly an early angiosperm. The type species is Q. formosa.

Rhaphidopteris zhouii

Sp. nov

In press

Yang

Early Jurassic

Sangonghe Formation

 China

A gymnosperm.

Rochipteris distivena

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Rochipteris komifolia

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Rochipteris lutifolia

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Rochipteris matatifolia

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Rochipteris penensis

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Rochipteris switzifolia

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Rochipteris telefolia

Sp. nov

Valid

Anderson & Anderson

Triassic

Molteno Formation

 South Africa

A member of Ginkgoopsida belonging to the group Petriellales.

Skyttegaardia nagalingumiae

Sp. nov

Elgorriaga & Atkinson

Late Cretaceous (Campanian)

Holz Shale

 United States
( California)

A member of Cycadales belonging to the family Zamiaceae.

Tregiovia

Gen. et sp. nov

Forte & Kustatscher

Permian (Kungurian)

Tregiovo Formation

 Italy

A plant of uncertain affinities, with the closest resemblance to the seed fern Auritifolia anomala. The type species is T. furcata.

Tricosta priapiana

Sp. nov

Valid

Blanco-Moreno et al.

Early Cretaceous (Valanginian)

 Canada
( British Columbia)

A moss belonging to the family Tricostaceae.

Xenoxylon kazuoense

Sp. nov

Xie, Wang, Tian & Uhl in Xie et al.

Early Cretaceous (Aptian)

Jiufotang Formation

 China

Fossil wood of a gymnosperm of uncertain affinities.

Xenoxylon shehongense

Sp. nov

Xie, Wang & Tian in Xie et al.

Late Jurassic

Penglaizhen Formation

 China

Zirabia

Gen. et comb. nov

Elgorriaga & Atkinson

Early Jurassic

Shemshak Group

 Iran

A member of Doyleales; a new genus for "Karkenia" cylindrica Schweitzer & Kirchner (1995).

Other plant research

  • A study on the evolutionary history of Marchantiopsida, as indicated by data from extant and fossil taxa, is published by Flores et al. (2023).
  • Decombeix et al. (2023) document tyloses in Late Devonian Callixylon wood.
  • A study on the anatomy and affinities of Tingia unita, based on data from specimens from the Permian Taiyuan Formation (China), is published by Yang, Wang & Wang (2023), who confirm that T. unita was a progymnosperm belonging to the group Noeggerathiales.
  • A study on the phylogenetic relationships and evolutionary history of cycads, based on data from extant and fossil taxa, is published by Coiro et al. (2023).
  • Evidence from nitrogen isotopic measurements from fossilized cycad leaves and ancestral state reconstructions, interpreted as indicating that symbiosis of with N2-fixing cyanobacteria wasn't ancestral within cycads but rather arose independently in the lineages leading to living cycads during or after the Jurassic, is published by Kipp et al. (2023).
  • Fu et al. (2023) report the presence of ovules enclosed within the ovaries of specimens of Nanjinganthus dendrostyla, and consider their findings to be consistent with the interpretation of Nanjinganthus as an Early Jurassic angiosperm.

Palynology

Name Novelty Status Authors Age Unit Location Synonymized taxa Notes Images

Acanthodiporites

Gen. et sp. nov

Parmar et al.

Paleogene

 India

Pollen of a member of the family Arecaceae. Genus includes new species A. spinatus.

Acylomurus silviae

Sp. nov

Perez Loinaze et al.

Late Cretaceous (Maastrichtian)

Chorrillo Formation

 Argentina

A spore of uncertain affinities.

Ailanthipites diminutus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Ailanthipites feruglioi

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Ailanthipites hexagonalis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Alisporites libyaensis

Nom. nov

Valid

Gutierrez & Zavattieri

Permian and Triassic

 Libya

A replacement name for Alisporites plicatus Kar, Kieser & Jain (1972).

Aratrisporites circularis

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Arecipites botrus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Baculatisporites magnus

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Brevitriletes decorus

Comb. nov

Valid

(Ouyang & Norris)

Triassic

 China

Moved from Anapiculatisporites decorus Ouyang & Norris (1999).

Brevitriletes pamelae

Comb. nov

Valid

(Ottone in Ottone et al.)

Triassic

 Argentina

Moved from Anapiculatisporites pamelae Ottone in Ottone et al. (1992).

Brevitriletes sandrae

Comb. nov

Valid

(Ottone in Ottone et al.)

Triassic

 Argentina

Moved from Anapiculatisporites sandrae Ottone in Ottone et al. (1992).

Carnisporites microspinous

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Casuarinidites foveolatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant.

Classopollis patagonicus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Clavapalmaedites clavatus

Sp. nov

Parmar et al.

Paleogene

 India

Clavatriporites

Gen. et 2 sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant. Genus includes new species C. dispersiclavatus and C. spicatus.

Cuneatisporites cacheutensis

Comb. nov

Valid

(Jain)

Triassic

Cacheuta Formation

 Argentina

Moved from Jansoniuspollenites cacheutensis Jain (1968).

Cuneatisporites salujhai

Comb. nov

Valid

(Jain)

Triassic

Cacheuta Formation

 Argentina

Moved from Jansoniuspollenites salujhai Jain (1968).

Echitricolpites serratus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Ericipites verrucatus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Flabellisporites zhaotongensis

Sp. nov

Sui, McLoughlin & Feng in Sui et al.

Permian (Lopingian)

Xuanwei Formation

 China

A spore of a member of Isoetales.

Gemmamonocolpites barmerensis

Sp. nov

Parmar et al.

Paleogene

 India

Gemmamonocolpites chubutensis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Grimmipollis

Gen et sp nov

Huang, Morley, & Hoorn

late Eocene

Yaw Formation

 Myanmar

A cupaniean sapindaceous pollen morphotype
The type species is G. burmanica

Henrisporites qujingensis

Sp. nov

Sui, McLoughlin & Feng in Sui et al.

Permian (Lopingian)

Xuanwei Formation

 China

A lycopsid megaspore.

Henrisporites yunnanensis

Sp. nov

Sui, McLoughlin & Feng in Sui et al.

Permian (Lopingian)

Xuanwei Formation

 China

A lycopsid megaspore.

Inaperturopollenites fossulatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Krutzschipollis argentinum

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Lagenicula morbelliae

Sp. nov

Quetglas, Di Pasquo & Macluf

Carboniferous (Tournaisian)

Toregua Formation

 Bolivia

Leschikisporis variabilis

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Liliacidites buitrensis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Liliacidites lacunosus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Limatulasporites rugulatus

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Longapertites crassireticuloides

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant.

Luminidites microreticulatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant.

Lusatisporis choiols

Sp. nov

Perez Loinaze et al.

Late Cretaceous (Maastrichtian)

Chorrillo Formation

 Argentina

A spore of uncertain affinities.

Nelumbopollenites patagonicus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Pollen of a member of the family Nelumbonaceae.

Neoraistrickia stricta

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Nyssapollenites scabratus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Parviprojectus archangelskyi

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Periporopollenites delicatus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Pityosporites thoracatus

Comb. nov

Valid

(Balme)

Triassic

 Pakistan

Moved from Pinuspollenites thoracatus Balme (1970).

Podocarpidites rectangularis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Proteacidites baibianae

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Proteacidites mirasolensis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Protohaploxypinus bonapartei

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Protohaploxypinus diazii

Sp. nov

Valid

Gutierrez & Zavattieri

Middle Triassic

Quebrada de los Fósiles Formation

 Argentina

Psilabrevitricolporites porolatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant.

Psilatriletes brevilaesuratus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

A spore.

Punctatisporites interfoveolatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

A spore.

Retimonocolpites perforatus

Sp. nov

Parmar et al.

Paleogene

 India

Retimonoporites heterobrochatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant.

Retitrescolpites miriabilis

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant.

Retitricolporites ganganensis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Retitricolporites irupensis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Retitriporites irregularis

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Rousea robusta

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Rugutricolporites cumulus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Slavicekia

Gen. et sp. nov

Valid

Heřmanová et al.

Late Cretaceous

 Czech Republic

Pollen from the Normapolles complex, likely produced by angiosperms belonging to the order Fagales. Genus includes new species S. inaequalis.

Sparganiaceaepollenites annulatus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Spinizonocolpites coloniensis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Spinizonocolpites variabilis

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Symplocoipollenites microechinatus

Sp. nov

De Benedetti et al.

Cretaceous-Paleogene boundary

La Colonia Formation

 Argentina

Syncolporites angusticolpatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Syncolporites rostro

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Tetracolporopollenites torus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Pollen of a flowering plant.

Thomasospora

Gen. et comb. nov

Bek et al.

Paleozoic

 France

Spores produced by the lycophyte Thomasites serratus. Genus includes "Lycospora" gigantea Alpern.

Tricolpites brevicolpatus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Tricolpites multiornamentus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Tricolporites densus

Sp. nov

Mander, Jaramillo & Oboh-Ikuenobe

Paleogene

 Nigeria

Palynological research

  • Vajda et al. (2023) interpret Ricciisporites tuberculatus as an aberrant pollen produced by Lepidopteris ottonis plants, and interpret its fossil record as indicative of the competitive success of plants which adopted the asexual reproductive strategy under stressed environmental conditions before and during the Triassic–Jurassic extinction event; their interpretation of Ricciisporites and Cycadopites as produced by the same plant is subsequently contested by Zavialova (2024) and reaffirmed by Vajda et al. (2024).
  • A study on the vegetation in Central Africa from the middle Aptian to early Albian, as indicated by palynomorphs from the Doseo Basin in the Central African Rift system, is published by Dou et al. (2023), who identify two assemblages of spore and pollen fossils, and interpret the differences between the assemblages as indicative of a vegetation change related to change from relatively arid to humid climate.
  • Malaikanok et al. (2023) describe fossil pollen grains of members of the family Fagaceae from the Oligocene to Miocene Ban Pa Kha Subbasin of the Li Basin (Thailand), and interpret the studied fossils as indicating that, contrary to previous interpretations of the palynological record, tropical Fagaceae-dominated forests existed in northern Thailand at least since the late Paleogene and persisted into the modern vegetation of Thailand.
  • A study on the environmental changes in the Lake Baikal region during the Marine Isotope Stage 3, as indicated by palynological data, is published by Shichi et al. (2023), who find that the dispersal of Homo sapiens into Baikal Siberia coincided with climate changes resulting in warm and humid conditions and vegetation changes.
  • Evidence from the study of Last Interglacial pollen records across Europe, interpreted as indicating that European forests before the arrival of Homo sapiens included substantial open and light woodland elements, is presented by Pearce et al. (2023).

Research

  • A study on the evolution of the phenotypic disparity of plants, based on data from extant and fossil taxa, is published by Clark et al. (2023), who find that the morphological distinctiveness of extant plant group is in part the result of extinction of fossil plants with intermediate morphologies, and report evidence of a pattern of episodic sharp increases of morphological diversity throughout the evolutionary history of plants.
  • A study on the evolution of the complexity of vascular plant reproductive structures, indicating that major reproductive innovations were associated with increased integration through greater interactions among component parts, is published by Leslie & Mander (2023).
  • Evidence from mercury concentration and isotopic signatures of marine sedimentary rock samples spanning from the Cambrian to Permian, interpreted as indicating that vascular plants were already widely distributed on land during the Ordovician-Silurian transition, is presented by Yuan et al. (2023).
  • Evidence indicating that the knowledge of the early plant diversity from the latest Silurian–Early Devonian fossil record is at least partly affected by the variation of the rock record is presented by Capel et al. (2023).
  • A study on early land plant diversity patterns across known paleogeographical units (Laurussia, Siberia, Kazakhstania, Gondwana) throughout the Silurian and Devonian periods is published by Capel et al. (2023)
  • A study on the survivorship and migration dynamics of plants from the paleocontinent Angarida during the Frasnian-Tournaisian internal, as indicated by fossil record from the Siberian platform (Russia), is published by Dowding, Akulov & Mashchuk (2023).
  • Barrón et al. (2023) study the floral assemblages from the Cretaceous Maestrazgo Basin (Spain), providing evidence of the existence of conifer woodlands and fern/angiosperm communities thriving in the mid-Cretaceous Iberian Desert System, and report that the studied assemblages can generally be related to others from Europe and North America, but also included plants that were typical for northern Gondwana.
  • A study on the fossil material of plants from the Cenomanian deposits of the Western Desert (Egypt) is published by El Atfy et al. (2023), who report the presence of five main vegetation types, and interpret the studied fossils as indicative of an overall warm and humid climate, punctuated by repeated phases of drier conditions.
  • Moreau & Néraudeau (2023) describe an assemblage of Cenomanian plants from a new paleontological site La Gripperie-Saint-Symphorien (Charente-Maritime, France), which (unlike most of Albian-Cenomanian coastal floras from the Aquitaine Basin) is dominated by angiosperms.
  • A study on the mid-Eocene vegetation in the southern Central Andes, based on spore-pollen record from the Casa Grande Formation (Jujuy, Argentina), is published by Tapia et al. (2023), who interpret their findings as indicative of a plant community with no close analogue in the modern South American vegetation, as well as indicative of subtropical or tropical conditions and frost-free winters.
  • Description of fossil wood from the Brown Sands and Flat Sands localities in the Pliocene Usno Formation (Lower Omo valley, Ethiopia) is published by Jolly-Saad & Bonnefille (2023), who report that the studied assemblages strongly differ from other Miocene and Pliocene wood assemblages from Ethiopia, and interpret them as indicative of a seasonal climate and more humid climatic conditions compared to the present, but also as indicative of instability of climatic and environmental conditions, with significant changes in the composition of the tree cover during the time of existence of Australopithecus afarensis.
  • A study on changes in functional diversity of plants from southeast Australia during the last 12,000 years, inferred from long-term pollen records, is published by Adeleye et al. (2023).
  • The oldest flower and seed fossils of the wind-pollinated besom heaths, Erica sect. Chlorocodon, were found in Madeira Island within a 1.3 million-year-old fossil deposit.

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