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Borissiakia Temporal range: Late Oligocene PreꞒ Ꞓ O S D C P T J K Pg N ↓
Mounted skeleton (top) and life restoration (bottom)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Perissodactyla
Family:	†Chalicotheriidae
Subfamily:	†Schizotheriinae
Genus:	†Borissiakia Butler, 1965
Type species
†Borissiakia betpakdalensis originally Moropus betpakdalensis Flerov, 1938

Borissiakia is an extinct genus of chalicothere, a group of herbivorous, odd-toed ungulate (perissodactyl) mammals, that lived during the late Oligocene in Kazakhstan. They had claws that were likely used in a hook-like manner to pull down branches, suggesting they lived as bipedal browsers.

References

1. Coombs, Margery C. (13 Feb 2009). "The chalicothere Metaschizotherium bavaricum (Perissodactyla, Chalicotheriidae, Schizotheriinae) from the Miocene (MN5) Lagerstatte of Sandelzhausen (Germany): description, comparison, and paleoecological significance" (PDF). Paläontologische Zeitschrift. 83 (1). Springer Berlin / Heidelberg: 85–129. doi:10.1007/s12542-009-0004-x. S2CID 140194075. Archived from the original (PDF) on July 24, 2018.

Sources

• Classification of Mammals by Malcolm C. McKenna and Susan K. Bell

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

v t e Ancylopoda
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Perissodactyla
Ancylopoda Pappomoropus Protomoropus "Eomoropidae" Eomoropus Grangeria Litolophus Paleomoropus Lophiodontidae Atalanodon Eolophiodon Lophiaspis Lophiodon Paralophiodon Chalicotheriidae Chalicotheriinae Anisodon Chalicotherium Hesperotherium Kalimantsia Nestoritherium Winamia Schizotheriinae Ancylotherium Borissiakia Chemositia Metaschizotherium Moropus Phyllotillon Schizotherium Tylocephalonyx

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