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Gateway to the Paleobiology Database
Myocastor coypus Molina 1782 (coypu)

Osteichthyes - Rodentia

PaleoDB taxon number: 231489

Alternative combinations: Mus coypus, Myopotamus coypu, Myopotamus coypus

Synonyms: Mastonotus popelairi Wesmael 1841 (no. 231755), Myopotamus bonariensis Saint-Hilaire 1805 (no. 231753)

Belongs to Myocastor according to C. A. Woods et al. 1992

Sister taxa: Myocastor perditus, Myopotamus obesus, Myopotamus paranensis, Myopotamus australis

Ecology: scansorial insectivore

Average measurements (in mm): Upper M2 8.14 x 7.04, femur length 84.7, femur diameter 9.10, humerus length 66.4, humerus diameter 8.40, radius length 75.2, radius diameter 5.50, scapula 58.3 x 30.0, skull 118.5 x 69.8, tibia length 100.9, tibia diameter 9.50, ulna length 90.9

Estimated body mass: 5.37 kg based on femur diameter, femur length, humerus diameter, humerus length, skull length, tibia diameter, tibia length, and ulna length