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Deperetella Temporal range: Eocene
Lower jaw of Deperetella cristata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Perissodactyla
Family:	†Deperetellidae
Genus:	†Deperetella Matthew & Granger, 1925
Type species
†Deperetella cristata Matthew & Granger, 1925
Species
D. cristata Matthew & Granger, 1925 (type) D. depereti Zdansky, 1930 D. dienensis Chow et al., 1974 D. khaitchinulensis Reshetov, 1979 D. kungeica Tarasov, 1968 D. sichuanensis Xu et al., 1979
Synonyms
Cristidentinus Zdansky, 1930 Diplolophodon Zdansky, 1930

Deperetella is an extinct genus of deperetellid perissodactyls from Middle to Late Eocene of Asia. The genus was defined in 1925 by W. D. Matthew and Walter W. Granger, who named it after French paleontologist Charles Depéret. The type species is Deperetella cristata.

Description

The front-root teeth (premolars) are longer than the posterior-root teeth (molars), there are well-developed hypolophides on P3-P4, and the forelimbs are three-toed. It differs from Teleolophus in the size of the molars. Postcranial skeleton of Deperetella shares many similarities with that of Teleolophus, in particular: long and slender limbs, relatively elongated and narrow lunar with a slightly concave medial edge of the radial facet, fibula reduced or fused with the tibia, three functional fingers on the limbs.

Taxonomy

The genus Diplolophodon, erected by Zdansky (1930) based on an upper dentition from the Heti Formation, China, was defined by Radinsky (1965) as a junior synonym of Deperetella. In Reshetov and Tatarinov (1979), Tsubamoto et al. (2000) and later works Diplolophodon is also considered as a synonym of Deperetella. However, it recovered as a valid genus in Deperetellidae family in a work of Bai Bin (2023). The species Deperetella birmanica from Myanmar was assigned to the new genus Bahinolophus in 2005.

References

1. Tsubamoto, T.; Egi, N.; Takai, M.; Sein, C.; Maung, M. (2005). "Middle Eocene ungulate mammals from Myanmar: A review with description of new specimens" (PDF). Acta Palaeontologica Polonica. 50 (1): 117–138. Archived from the original (PDF) on 2022-02-02.
2. ^ Takehisa Tsubamoto, Patricia A. Holroyd, Masanaru Takai, Nobuo Shigehara, Aye Ko Aung, Tin Thein, Aung Naing Soe, Soe Thura Tun (2000). "Upper premolar dentitions of Deperetella birmanica (Mammalia: Perissodactyla: Deperetellidae) from the Eocene Pondaung Formation, Myanmar" (PDF). Paleontological Research. 4 (3): 183-189. Archived (PDF) from the original on 2022-03-20.{{cite journal}}: CS1 maint: multiple names: authors list (link)
3. Matthew, W. D.; Granger, W. (1925). "New mammals from the Shara Murun Eocene of Mongolia" (PDF). American Museum Novitates (196). Archived from the original (PDF) on 2017-01-02.
4. ^ V. U. Reshetov, L. P. Tatarinov (1979). Раннетретичные тапирообразные Монголии и СССР [Early Tertiary tapiroids of Mongolia and USSR] (in Russian). Nauka. p. 38.
5. Bai Bin, Wang Yuan-Qing, Meng Jin (2018). "Postcranial morphology of Middle Eocene deperetellid Teleolophus (Perissodactyla, Tapiroidea) from Shara Murun region of the Erlian Basin, Nei Mongol, China". Vertebrata PalAsiatica. 56 (3): 193-215. doi:10.19615/j.cnki.1000-3118.171214.{{cite journal}}: CS1 maint: multiple names: authors list (link)
6. ^ Bai Bin (2023). "Reappraisal of some perissodacyl fossils from the Middle Eocene of the Lijiang Basin, Yunnan, China with a revision of tapiroid Diplolophodon". Vertebrata PalAsiatica. 61 (1): 26-42. doi:10.19615/j.cnki.2096-9899.220721.

v t e Perissodactyla
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Perissodactyla
Perissodactyla Incertae sedis †Ghazijhippus †Mesolambdolophus †Olbitherium †Anthracobunia Radinskya †Anthracobunidae Anthracobune Hsanotherium Jozaria Obergfellia †Cambaytheriidae Cambaytherium Kalitherium Nakusia Perissobune †Brontotheriidae See Brontotheriidae Equoidea †Cymbalophus †Hallensia †Pliolophus †Systemodon Equidae See Equidae †Palaeotheriidae †Pachynolophinae Anchilophus Bepitherium Eurohippus Hyracotherium Lijiangia Lophiohippus Lophiotherium Metanchilophus Orolophus Pachynolophus Paranchilophus Propalaeotherium Qianohippus †Palaeotheriinae Cantabrotherium Iberolophus Idiodontherium Leptolophus Mekodontherium Metaplagiolophus Palaeotherium Paraplagiolophus Plagiolophus Pseudopalaeotherium †Hyopsodontidae? Aletodon Chacomylus Dorraletes Haplaletes Haplomylus Hyopsodus Litomylus Louisina Monshyus Paratricuspiodon Paschatherium Phenacodaptes Tricuspiodon †Phenacodontidae? Tetraclaenodon †Meniscotheriinae Ectocion Meniscotherium †Phenacodontinae Almogaver Copecion Eodesmatodon Lophocion Phenacodus Tapiromorpha See below↓
Tapiromorpha Incertae sedis †Cambaylophus †Skopaiolophus †Isectolophidae Chowliia Gandheralophus Karagalax Meridiolophus Orientolophus Sastrilophus †Homogalaxinae Homogalax †Isectolophinae Isectolophus Schizolophodon †Ancylopoda See Ancylopoda Ceratomorpha Tapiroidea †Deperetellidae Bahinolophus Deperetella Irenolophus Teleolophus †Helaletidae Colodon Dilophodon Helaletes Heptodon Heteraletes Paracolodon Plesiocolopirus Thuliadanta? Vastanolophus Tapiridae †Eotapirus †Miotapirus †Nexuotapirus †Paratapirus †Plesiotapirus †Protapirus †Tapiravus Tapirus Rhinocerotoidea See below↓
Rhinocerotoidea Rhinocerotoidea sensu lato †Breviodon †Fouchia †Minchenoletes †Siamolophus †Triplopus †Yimengia †Indolophidae Indolophus Rhinocerotoidea sensu stricto †Selenaletes †Hyrachyidae Hyrachyus †Eggysodontidae Allacerops Eggysodon Guangnanodon Proeggysodon †Hyracodontidae Ardynia Ephyrachyus Epitriplophus Hyracodon Prohyracodon Rhodopagus Triplopides †Amynodontidae Amynodontopsis Armania Cadurcotherium Caenolophus Huananodon Hypsamynodon Procadurcodon Rostriamynodon Teilhardia †Amynodontinae Amynodon †Cadurcodontini Cadurcodon Lushiamynodon Sharamynodon Sianodon †Metamynodontini Gigantamynodon Megalamynodon Metamynodon Paramynodon Zaisanamynodon †Paraceratheriidae †Forstercooperiinae Forstercooperia Gobicerops Pappaceras †Paraceratheriinae Aralotherium Dzungarotherium Juxia Paraceratherium Urtinotherium Rhinocerotidae See below↓
Rhinocerotidae Rhinocerotidae †Amphicaenopus †Epiaceratherium †Guixia †Teletaceras †Uintaceras †Woodoceras †Aceratheriinae Aceratherium Acerorhinus Alicornops Aphelops Chilotheridium Chilotherium Floridaceras Galushaceras Hoploaceratherium Mesaceratherium Peraceras Persiatherium Plesiaceratherium Ronzotherium Shansirhinus Sinorhinus Subchilotherium †Elasmotheriinae Gulfoceras Victoriaceros †Diceratheriini Diceratherium Penetrigonias Skinneroceras Subhyracodon Trigonias †Elasmotheriini Bugtirhinus Caementodon Elasmotherium Hispanotherium Iranotherium Kenyatherium Meninatherium Menoceras Ninxiatherium Ningxiatherium Ougandatherium Parelasmotherium Procoelodonta Sinotherium Tongxinotherium Rhinocerotinae †Dromoceratherium †Lartetotherium †Molassitherium †Protaceratherium †Teleoceratini Aprotodon Brachydiceratherium Brachypotherium Diaceratherium Prosantorhinus Shennongtherium Teleoceras Rhinocerotina Dicerorhinini †Coelodonta Dicerorhinus †Dihoplus †Pliorhinus †Stephanorhinus Dicerotini Ceratotherium Diceros †Miodiceros †Paradiceros Rhinocerotini †Gaindatherium †Nesorhinus Rhinoceros †Rusingaceros

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