North American beaver (Castor canadensis). (A) Lateral view of skull. Original image width = 30.7 cm. (B) Occlusal view of upper dentition. Original image width = 30.8 cm.Courtesy MoLSKCL. Cat. no. Z207. All of the cheek teeth of beavers are hypselodont (Fig. 7.22). The upper row...
MacArthur RA, Dick AP (1990) Aquatic thermoregulation of captive and free-ranging beavers (Castor canadensis). Can J Zool 68:2409-2416MacArthur, R. A. & Dyck, A. P. 1990. Aquatic thermoregulation of captive and free-ranging beavers (Castor canadensis). Canadian Journal of Zoology, 68, ...
A NEARLY COMPLETE SKULL OF THE BEAVER, CASTOR CANADENSIS, FROM THE IRVINGTONIAN BADLANDS OF GOLFO DE SANTA CLARA, SONORA, MEXICO (Cordilleran Section - 109th Annual Meeting (20-22 May 2013))
The head of an American beaver, Castor canadensis, was dissected to reveal the masticatory musculature. Muscle origins and insertions were noted, the muscles were weighed and fiber lengths measured. Physiological cross-sectional areas were determined, and along with the muscle vectors, were used to ...