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Teratophon Temporal range: Middle Triassic, 245–241 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Fossil
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	†Parareptilia
Order:	†Procolophonomorpha
Family:	†Procolophonidae
Subfamily:	†Procolophoninae
Genus:	†Teratophon Modesto & Damiani, 2003
Type species
†Teratophon spinigenis (Gow, 1977a )

Teratophon is an extinct genus of procolophonine procolophonid parareptile from middle Triassic (early Anisian stage) deposits of Free State Province, South Africa. It is known from the holotype BP/1/4299, a nearly complete skull. It was collected by the South African palaeontologist, James W. Kitching from Hugoskop in the Rouxville District and referred to subzone B of the Cynognathus Assemblage Zone of the Burgersdorp Formation, Beaufort Group (Karoo Basin). It was first named by Sean P. Modesto and Ross J. Damiani in 2003 and the type species is Teratophon spinigenis. It was first assigned to a species of Thelegnathus (now considered to be a nomen dubium), Thelegnathus spinigenis. The distinguishing feature of this genus is a noticeable posterolateral spine-like process of the quadratojugal.

Phylogeny

In their phylogenetic analyses, Butler et al. (2023) defined Teratophon as a sister taxon to Procolophon and Thelerpeton or only to Procolophon within Procolophoninae. The results are shown in two cladograms below:

References

1. ^ Sean P. Modesto; Ross J. Damiani (2003). "Taxonomic status of Thelegnathus browni Broom, a procolophonid reptile from the South African Triassic". Annals of Carnegie Museum. 72 (1): 53–64. doi:10.5962/p.215088. S2CID 90233554.
2. C. E. Gow (1977). "New Procolophonids from the Triassic Cynognathus Zone of South Africa". Annals of the South African Museum. 72 (6): 109–124.
3. Butler, R. J.; Meade, L. E.; Cleary, T. J.; McWhirter, K. T.; Brown, E. E.; Kemp, T. S.; Benito, J.; Fraser, N. C. (2023). "Hwiccewyrm trispiculum gen. et sp. nov., a new leptopleuronine procolophonid from the Late Triassic of southwest England". The Anatomical Record. doi:10.1002/ar.25316. PMID 37735997.

v t e Procolophonia
Kingdom: Animalia Phylum: Chordata Superclass: Tetrapoda Clade: Amniota Class: Sauropsida Sauropsida see Sauropsida Procolophonia see below↓ Procolophonia
Nyctiphruretidae? Abyssomedon Nyctiphruretus Pareiasauromorpha Lanthanosuchidae? Chalcosaurus Lanthaniscus? Lanthanosuchus Nycteroleteridae Bashkyroleter Emeroleter Macroleter Nycteroleter Rhipaeosaurus Pareiasauria Bradysaurus Bunostegos Deltavjatia Embrithosaurus Nochelesaurus Parasaurus Senectosaurus Pumiliopareiasauria Anthodon Nanoparia Provelosaurus Pumiliopareia Therischia Arganaceras Elginia Obirkovia Pareiasaurus Sanchuansaurus Scutosaurus Shihtienfenia Procolophonoidea Owenettidae Barasaurus Candelaria Owenetta Ruhuhuaria Saurodektes Procolophonidae Coartaredens? Coletta Eomurruna Gomphiosauridion? Kinelia? Kitchingnathus Lasasaurus Oryporan Phaanthosaurus Pintosaurus Sauropareion Smilodonterpeton Sphenosaurus Spondylolestes? Suchonosaurus Theledectes Tichvinskia Tricuspisaurus? Xenodiphyodon? Youngetta Leptopleuroninae Basileosaurus? Cornualbus Hwiccewyrm Hypsognathus Koiloskiosaurus Leptopleuron Libognathus Mandaphon Neoprocolophon Pentaedrusaurus Phonodus Sclerosaurus Scoloparia Soturnia Threordatoth Procolophoninae Anomoiodon Burtensia Eumetabolodon Insulophon? Kapes Lestanshoria? Orenburgia Procolina Procolophon Samaria? Teratophon Thelephon Thelerpeton Timanophon

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• Procolophonines
• Middle Triassic reptiles of Africa
• Fossil taxa described in 2003
• Anisian life
• Prehistoric reptile genera
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