Mammalia - Perissodactyla - Rhinocerotidae

PaleoDB taxon number: 51873

Alternative combinations: Aceratherium occidentale, Caenopus occidentalis, Rhinoceros occidentalis, Subhyracodon occidentale

Synonyms: Aceratherium exiguum Lambe 1908 (no. 297092), Aceratherium hesperium Leidy 1865 (no. 43700), Aceratherium quadriplicatum Cope 1873 (no. 43708), Aceratherium trigonodum Osborn and Wortman 1894 (no. 43712), Anchisodon quadriplicatus Cope 1873 (no. 44038), Caenopus trigonodus Osborn and Wortman 1894 (no. 44758), Diceratherium hesperium Leidy 1865 (no. 45663), Hyracodon quadriplicatus Cope 1873 (no. 47303), Leptaceratherium trigonodon Osborn and Wortman 1894 (no. 330924), Leptaceratherium trigonodum Osborn and Wortman 1894 (no. 47518), Rhinoceros hesperius Leidy 1865 (no. 51348), Subhyracodon gidleyi Wood 1927 (no. 51869), Subhyracodon hesperius Leidy 1865 (no. 297094), Subhyracodon metalophum Wood 1927 (no. 51871), Subhyracodon trigonodus Osborn and Wortman 1894 (no. 51876)

Full reference: J. Leidy. 1850. [Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, December 10th, 1850]. Proceedings of the Academy of Natural Sciences of Philadelphia 5:119-121

Belongs to Subhyracodon according to D. R. Prothero 2005

Sister taxa: Subhyracodon kewi, Subhyracodon mitis, Subhyracodon planiceps, Subhyracodon woodi, Caenopus yoderensis, Caenopus (Leptaceratherium), Caenopus simplicidens

Subtaxa: Caenopus trigonodus allus

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Ecology: scansorial insectivore

Average measurements (in mm): M1 37.6 x 37.6, M2 40.3 x 40.4, M3 33.2 x 39.7, m1 29.1 x 19.9

Estimated body mass: 219.7 kg based on M3 length