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Mammuthus columbi Falconer 1857 (Columbian mammoth)

Mammalia - Theriiformes - Elephantidae

Alternative combinations: Elephas columbi, Elephas primigenius columbii, Euelephas columbi, Mammuthus (Parelephas) columbi, Parelephas columbi

Synonyms: Archidiskodon imperator Leidy 1858, Elephas eellsi Hay 1926, Elephas floridanus Osborn 1929, Elephas imperator Leidy 1858, Elephas jacksoni Mather 1838, Elephas jeffersonii Osborn 1922, Elephas maibeni Barbour 1925, Elephas roosevelti Hay 1922, Elephas washingtonii Osborn 1923, Euelephas imperator Leidy 1858, Mammuthus (Archidiskodon) imperator Leidy 1858, Mammuthus floridanus Osborn 1929, Mammuthus imperator Leidy 1858, Mammuthus jacksoni Mather 1838, Mammuthus jeffersoni Osborn 1922, Mammuthus jeffersonii Osborn 1922, Parelephas floridanus Osborn 1929, Parelephas jacksoni Mather 1838, Parelephas jeffersonii Osborn 1922, Parelephas progressus Osborn 1942, Parelephas roosevelti Hay 1922, Parelephas washingtonii Osborn 1923

Belongs to Mammuthus according to R. C. Hulbert and A. E. Pratt 1998

Sister taxa: Mammuthus exilis, Mammuthus hayi, Mammuthus lamarmorae, Mammuthus meridionalis, Mammuthus primigenius, Mammuthus trogontherii, Archidiskodon weifangensis, Archidiskodon celebensis

Ecology: ground dwelling grazer

Average measurements (in mm): M2 187.0 x 81.0, M3 287.6 x 93.5, m1 207.3 x 81.8, m2 199.5 x 79.0, m3 275.0 x 87.6, femur 1166.9 x 151.2, humerus 1017.6 x 122.2, radius length 808.0, scapula 943.7 x 619.5, tibia length 604.4, ulna length 781.8

Estimated body mass: 1.70 tons based on femur length, humerus length, tibia length, and ulna length