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Elphidae

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Elphidae
Temporal range: Late Permian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Suborder: Anomodontia
Clade: Dicynodontia
Clade: Bidentalia
Family: Elphidae
Kurkin, 2010
Genera

Elphidae is a clade of bidentalian dicynodonts containing Elph, Katumbia, and Interpresosaurus.[1][2] It is exclusively known from the Late Permian of Russia and Tanzania. Elphidae is variously recovered as either at the base of a paraphyletic Cryptodontia,[2] or as basal dicynodontoids.[3]

The clade Elphinae was erected by Kurkin (2010) to pertain to a clade containing Elph and Interpresosaurus, two dicynodonts from Late Permian Russia. This clade was diagnosed by a sharply shortened preorbital skull, relatively small tusks located below the anterior orbit, and maxillae with depressions located below the naris.[4] Elphinae is often recovered forming a clade with the Tanzanian Katumbia,[1] to which the name Elphidae can be applied under the rules of the ICZN.[2]

References

  1. ^ a b Boos, Alessandra D. S.; Kammerer, Christian F.; Schultz, Cesar L.; Soares, Marina B.; Ilha, Ana L. R. (2016). "A new dicynodont (Therapsida: Anomodontia) from the Permian of southern Brazil and its implications for bidentalian origins". PLOS ONE. 11 (5): e0155000. Bibcode:2016PLoSO..1155000B. doi:10.1371/journal.pone.0155000. PMC 4880204. PMID 27224287.
  2. ^ a b c Angielczyk, Kenneth D.; Kammerer, Christian F. (2017). "The Cranial Morphology, Phylogenetic Position and Biogeography of the Upper Permian Dicynodont Compsodon helmoedi Van Hoepen (Therapsida, Anomodontia)". Papers in Palaeontology. 3 (4): 513–545. doi:10.1002/spp2.1087. S2CID 134092461.
  3. ^ Kammerer, C. F.; Fröbisch, J. R.; Angielczyk, K. D. (2013). Farke, Andrew A (ed.). "On the Validity and Phylogenetic Position of Eubrachiosaurus browni, a Kannemeyeriiform Dicynodont (Anomodontia) from Triassic North America". PLOS ONE. 8 (5): e64203. Bibcode:2013PLoSO...864203K. doi:10.1371/journal.pone.0064203. PMC 3669350. PMID 23741307.
  4. ^ Kurkin, A.A. (2010). "Late Permian Dicynodonts of Eastern Europe". Paleontological Journal. 44 (6): 672–681. doi:10.1134/S0031030110060092. S2CID 131459807.