Mammalia - Perissodactyla - Desmostylidae
Full reference: H. F. Osborn. 1905. Ten years progress in the mammalian Palaeontology of North America. Extrait des Comptes rendus du 6e Congres international de Zoologie. Session de Berne 1904:86-113
Parent taxon: Desmostyloidea according to K. Matsui and T. Tsuihiji 2019
See also Abel 1919, Barnes and Goedert 2001, Boessenecker 2011, Carroll 1988, Domning 2018, Hay 1915, Inuzuka 2000, Inuzuka et al. 1995, Kretzoi 1941, Matsui 2017, Matsui and Pyenson 2023, McKenna and Bell 1997, Osborn 1905, Pronina 1957, Reinhart 1959, Rice 2002, Rice 2009, Shikama 1966, Simpson 1932, VanderHoof 1937 and VanderHoof 1942
Sister taxon: Paleoparadoxiidae
Subtaxa: Ashoroa Cornwallius Desmostylus Ounalashkastylus Vanderhoofius
Ecology: amphibious herbivore
Distribution:
• Miocene of Japan (37 collections), Mexico (3), the Russian Federation (10), United States (52: Alaska, California, Oregon, Washington)
• Neogene of Japan (1)
• Arikareean of Mexico (1), United States (2: California, Oregon)
• Oligocene to Miocene of Japan (2)
• Oligocene of Canada (3: British Columbia), Japan (1), Mexico (3), United States (5: Alaska, Oregon, Washington)
Total: 120 collections including 129 occurrences