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.

Meniscotherium
Temporal range: Early Eocene to Late Eocene
Skeleton
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Family: Phenacodontidae
Subfamily: Meniscotheriinae
Genus: Meniscotherium
Cope, 1874
Species
  • M. tapiacitum
  • M. chamense

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

A 2014 cladistic analysis places it within stem perissodactyls.

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