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Pseudunela
Schematic drawing of a dorsal view of Pseudunela cornuta
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura clade Panpulmonata clade Acochlidiacea clade Hedylopsacea
Family:	Pseudunelidae Rankin, 1979
Genus:	Pseudunela Salvini-Plawen, 1973
Diversity
4 species and inadequate data on other species

Pseudunela is a genus of minute sea slugs, acochlidians, shell-less marine or temporary brackish or brackish gastropod mollusks in the clade Acochlidiacea.

Pseudunela is the only genus in the family Pseudunelidae. Pseudunela is the type genus of the family Pseudunelidae.

Taxonomy

Pseudunelidae was placed within the superfamily Strubellioidea in the taxonomy of Bouchet & Rocroi (2005).

Pseudunelidae was subsequently placed within the (unranked) Hedylopsacea by Schrödl & Neusser (2010).

Species

These are the different species in the genus Pseudunela:

• Pseudunela cornuta (Challis, 1970) - type species of the genus Pseudunela, marine and temporary brackish
• Pseudunela eirene Wawra, 1988 - The description of Pseudunela eirene is brief and based on a single specimen with ganglia of the nervous system and stylets of copulatory organs studied on a whole-mount by light microscopy only. No histological sections were made, and the radula was studied light-microscopically after dissolving the soft parts and stylets. Information on other organ systems is absent, and no further specimens are available for study. Marine species.
• Pseudunela espiritusanta Neusser & Schrödl, 2009 This species from Espiritu Santo Island in Vanuatu lives in brackish water
• Pseudunela marteli Neusser, Jörger & Schrödl, 2011 - marine
• Pseudunela viatoris Neusser, Jörger & Schrödl, 2011 - marine

Cladogram

A cladogram based on sequences of mitochondrial 18S ribosomal RNA, 16S ribosomal RNA and cytochrome-c oxidase I (COI) genes showing phylogenic relations of the genus Pseudunela:

References

This article incorporates CC-BY-2.0 text from reference.

1. ^ Schrödl M. & Neusser T. P. (2010). "Towards a phylogeny and evolution of Acochlidia (Mollusca: Gastropoda: Opisthobranchia)". Zoological Journal of the Linnean Society 158: 124-154. doi:10.1111/j.1096-3642.2009.00544.x.
2. Rankin J. J. (1979) "A freshwater shell-less mollusc from the Caribbean: structure, biotics, and contribution to a new understanding of the Acochlidioidea" Royal Ontario Museum, Life Sciences Contributions, 116: 123 pp., Pseudunelidae is on the page 89.
3. Salvini-Plawen L. von (1973). Z. Zool. Syst. Evol. Forsch. 11: 122.
4. ^ Neusser T. P., Jörger K. M. & Schrödl M. (2011). "Cryptic Species in Tropic Sands - Interactive 3D Anatomy, Molecular Phylogeny and Evolution of Meiofaunal Pseudunelidae (Gastropoda, Acochlidia)". PLoS ONE 6(8): e23313. doi:10.1371/journal.pone.0023313.
5. ^ Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. 47 (1–2). Hackenheim, Germany: ConchBooks: 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
6. Neusser, Timea P.; Jörger, Katharina M.; Schrödl, Michael (2011-08-31). "Cryptic Species in Tropic Sands - Interactive 3D Anatomy, Molecular Phylogeny and Evolution of Meiofaunal Pseudunelidae (Gastropoda, Acochlidia)". PLOS ONE. 6 (8): e23313. Bibcode:2011PLoSO...623313N. doi:10.1371/journal.pone.0023313. ISSN 1932-6203. PMC 3166138. PMID 21912592.
7. ^ Neusser T. P., Martin Heß M. & Schrödl M. (11 September 2009) "Tiny but complex - interactive 3D visualization of the interstitial acochlidian gastropod Pseudunela cornuta (Challis, 1970)". Frontiers in Zoology 2009, 6: 20. doi:10.1186/1742-9994-6-20
8. ^ Neusser T. P. & Schrödl M. (2009) "Between Vanuatu tides: 3D anatomical reconstruction of a new brackish water acochlidian gastropod from Espiritu Santo. Zoosystema 31(3): 453-469. PDF Archived 2011-06-12 at the Wayback Machine

External links

• Media related to Pseudunela at Wikimedia Commons

• Pseudunelidae