†Poebrotherium chadronense Prothero 1996 (even-toed ungulate)
Full reference: D. R. Prothero. 1996. Camelidae. The Terrestrial Eocene-Oligocene Transition in North America 609-651
Belongs to Poebrotherium according to D. R. Prothero 1996
Sister taxa: Poebrotherium eximium, Poebrotherium franki, Poebrotherium wilsoni
Type specimen: Its type locality is Airstrip (TMM 40504), which is in a Chadronian terrestrial horizon in the Capote Mountain Tuff Formation of Texas
Ecology: ground dwelling grazer-browser
Average measurements (in mm): M1 10.2 x 10.9, M2 12.7 x 12.6, M3 13.3 x 13.4