Meniscotherium

Meniscotherium is an extinct genus of dog-sized mammal which lived 54–38 million years ago. It was a herbivore and had hooves. Fossils have been found in Utah, New Mexico. and Colorado. Many individuals have been found together, indicating that it lived in groups.^[1]

Meniscotherium Temporal range: 54–38 Ma PreꞒ Ꞓ O S D C P T J K Pg N Early Eocene to Late Eocene
Skeleton
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Family:	†Phenacodontidae
Subfamily:	†Meniscotheriinae
Genus:	†Meniscotherium Cope, 1874
Species
M. tapiacitum M. chamense

Restoration of M. chamense

Body mass in M. chamense is estimated to be 5–17 kg, making it about the size of a small dog.^[2]

A 2014 cladistic analysis places it within stem perissodactyls.^[3]