Aceratheriinae
Introduction '''Aceratheriinae''' is an extinct subfamily of rhinoceros endemic to Asia, Africa, Europe, and North America, from the Oligocene through the Pliocene. It lived from 33.9 to 3.4 mya, existing for approximately .
Taxonomy Aceratheriinae was named by Dollo (1885). It was assigned to Rhinocerotida by Codrea (1992); and to Rhinocerotidae by Prothero (1998), Antoine et al. (2000), Kaya and Heissig (2001), Sach and Heizmann (2001) and Deng (2005).The following genera are recognized as valid:*''Aceratherium''*''Acerorhinus''*''Alicornops''*''Aphelops'' *''Aprotodon'' *''Brachydiceratherium''*''Brachypotherium''*''Chilotherium''*''Diaceratherium''*''Dromoceratherium''*''Floridaceras''*''Galushaceras'' *''Hoploaceratherium''*''Mesaceratherium''*''Peraceras''*''Persiatherium''*''Plesiaceratherium''*''Proaceratherium''*''Prosantorhinus''*''Shansirhinus''*''Subchilotherium''*''Teleoceras''
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