Amynodontidae Metamynodon Plesiotapirus Caementodon Indolophus Gaindatherium Helaletes Hallensia Deperetella Eggysodon Meniscotherium Tapiroidea Nexuotapirus Mesolambdolophus Paschatherium Litolophus Protorohippus Notiotitanops Pappaceras Anthracobune Jozaria Hsanotherium Meninatherium Eodesmatodon Aceratheriinae Equoidea Rusingaceros Rhodopagus Paracolodon Nanotitanops Plesiaceratherium Aceratherium Nakusia Miotapirus Peraceras Metatelmatherium Meridiolophus Teleolophus Cremohipparion Parelasmotherium Brachydiastematherium Acritohippus Aralotherium Floridaceras Hispanotherium Hipparion Alicornops Aphelops Hypohippus Phenacodontidae Sthenodectes Chacomylus Copecion Iranoth…

herium Olbitherium Bahinolophus Prosantorhinus Almogaver Hesperotherium Haringtonhippus Acerorhinus Mesatirhinus Mesohippus Astrohippus Systemodon Victoriaceros Mulkrajanops Colodon Bugtirhinus Kenyatherium Hyopsodontidae Metarhinus Palaeosyops Paratapirus Haplohippus Pakotitanops Protaceratherium Tapiravus Helaletidae Telmatherium Gandheralophus Shennongtherium Sivalhippus Brachypotherium Homogalax Hyracotherium Menoceras Pli

ohippus Pliolophus Nesorhinus Lambdotherium Archaeohippus Deperetellidae Miohippus Nannippus Allacerops Duchesneodus Kalobatippus Desmatippus Heptodon Lartetotherium Paradiceros Protohippus Diaceratherium Nestoritherium Eurygnathohippus Obergfellia Pseudhipparion Ectocion Parahippus Sinohippus Proboscidipparion Lophiaspis Ancylopoda Shansirhinus Cadurcodon Isectolophidae Radinskya Gulfoceras Sphenocoelus Hyrachyus Megahippus Sifrhippus Mesaceratherium Aletodon Hippidion Hyracodon Ceratotherium Chemositia Ancylotherium Borissiakia Kalimantsia Propalaeotherium Uintaceras Calippus (mammal) Trigonias Subhyracodon R