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Gateway to the Paleobiology Database
Castor canadensis Kuhl 1820 (American beaver)

Osteichthyes - Rodentia - Castoridae

PaleoDB taxon number: 44957

Belongs to Castor according to B. Kurten and E. Anderson 1980

Sister taxa: Castor (Eucastor), Castor anderssoni, Castor californicus, Castor fiber, Castor jaegeri, Castor peninsulatus, Castor veterior

Ecology: scansorial insectivore

Average measurements (in mm): P4 9.00 x 10.00, M1 7.00 x 9.00, M2 7.00 x 8.00, p4 9.00 x 7.00, m1 7.60 x 7.60, m2 8.00 x 7.00, femur length 102.1, humerus length 78.7, radius length 82.8, scapula length 67.8, skull 124.0 x 93.5, tibia length 124.3, ulna length 122.1

Estimated body mass: 4.61 kg based on femur length, humerus length, tibia length, and ulna length