A triboAmynodontini ("dente ameaçadora") possui dois Gêneros: Amynodon e Metamynodon.São uma espécie de falso hipopótamo. Essa tribo deu origem a família hyracodontidae. Viveram na América do Norte,Europa e na Ásia. Este grupo extinguiu-se no Mioceno.
↑Scott, W. B.; Osborn, Henry F. (1883). «On the Skull of the Eocene Rhinoceros, Orthocynodon, and the Relation of this Genus to other Members of the Group». Contributions from the E. M. Museum of Geology and Archæology of Princeton College. 3: 1–22. hdl:2027/mdp.39015057223565?urlappend=%3Bseq=277
↑McKenna, M. C.; S. K. Bell (1997). Classification of Mammals Above the Species Level. [S.l.]: Columbia University Press. ISBN0-231-11012-X
↑American Museum of Natural History, "Perissodactyls Glossary"
↑Savage, RJG; Long, MR (1986). Mammal Evolution: an illustrated guide. New York: Facts on File. 194páginas. ISBN0-8160-1194-X
↑Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. 264páginas. ISBN1-84028-152-9
123456789101112Averianov, A.; Danilov, I.; et al. (2017). «A new amynodontid from the Eocene of South China and phylogeny of Amynodontidae (Perissodactyla: Rhinocerotoidea)». Journal of Systematic Palaeontology. 15 (11): 927–945. Bibcode:2017JSPal..15..927A. doi:10.1080/14772019.2016.1256914
↑von Koenigswald, W.; Holbrook, L.T.; et al. (março 2011). «Diversity and Evolution of Hunter-Schreger Band Configuration in Tooth Enamel of Perissodactyl Mammals». Acta Palaeontologica Polonica. 56 (1): 11–32. doi:10.4202/app.2010.0021
↑Antoine, P.; Ducrocq, S.; et al. (2003). «Early rhinocerotids (Mammalia: Perissodactyla) from South Asia and a review of the Holarctic Paleogene rhinocerotid record». Canadian Journal of Earth Sciences. 40 (3): 365–374. Bibcode:2003CaJES..40..365A. doi:10.1139/e02-101
12Wall, W.P.; Manning, E. (julho 1986). «Rostriamynodon grangeri n. gen., n. sp. of amynodontid (Perissodactyla, Rhinocerotoidea) with comments on the phylogenetic history of Eocene Amynodontidae». Journal of Paleontology. 60 (4): 911–919. Bibcode:1986JPal...60..911W. JSTOR1305081. doi:10.1017/S0022336000043079