Hyopsodontidae Plesiotapirus Caementodon Helaletes Gaindatherium Indolophus Hallensia Eggysodon Deperetella Litolophus Protorohippus Paschatherium Tapiroidea Nexuotapirus Mesolambdolophus Meniscotherium Meninatherium Pappaceras Notiotitanops Eodesmatodon Anthracobune Jozaria Hsanotherium Equoidea Aceratheriinae Rusingaceros Metamynodon Teleolophus Nakusia Miotapirus Meridiolophus Peraceras Metatelmatherium Brachydiastematherium Parelasmotherium Cremohipparion Phenacodontidae Copecion Sthenodectes Chacomylus Bahinolophus Olbitherium Iranotherium Prosantorhinus Almogaver Metarhinus Nanotitanops Paracolodon Aceratherium Plesiaceratherium Rhodopagus Hesperotherium Mulkrajanops Mesohippus Mesatirhinus Astrohippus S…

Systemodon Victoriaceros Haringtonhippus Acerorhinus Hipparion Hispanotherium Alicornops Aphelops Hypohippus Bugtirhinus Colodon Kenyatherium Aralotherium Floridaceras Acritohippus Pakotitanops Protaceratherium Tapiravus Helaletidae Gandheralophus Telmatherium Shennongtherium Palaeosyops Paratapirus Haplohippus Heptodon Lartetotherium Paradiceros Nannippus Allacerops Deperetellidae Miohippus Duchesne

odus Kalobatippus Desmatippus Brachypotherium Homogalax Sivalhippus Pliohippus Menoceras Hyracotherium Lambdotherium Archaeohippus Obergfellia Ectocion Parahippus Pseudhipparion Nesorhinus Sinohippus Proboscidipparion Diaceratherium Pliolophus Lophiaspis Ancylopoda Nestoritherium Eurygnathohippus Protohippus Cadurcodon Shansirhinus Sphenocoelus Gulfoceras Radinskya Isectolophidae Aletodon Megahippus Mesaceratherium Hyrachyus Sifrhippus Chemositia Hippidion Ceratotherium Hyracodon Eotitanops Ronzotherium Subhyracodon Hippotherium Sinotherium Uintaceras Calippus (mammal) Propalaeotherium Trigonias Ancylotherium Borissiakia Metaschizotherium Neohipparion Kal