Bulletin of the American Museum of Natural History (1881)
American Museum of Natural History · New York : [American Museum of Natural History] · leaf 67
than in the Viverravine, the basicranial region broad and long, the glenoid articulations set well forward of the occipital condyles. The detailed construction of this region is obscured by matrix but appears to be much as in Vulpavus. Occiput broad and low; sagittal crest moderately developed.… … Fig. 34. Vassacyon promicrodon, skull, natural size. No. 15163, lower Gray Bull beds, Big Horn Basin. cone, paracone somewhat larger than metacone; m! considerably larger than m”; m*® two-rooted. P4 carnassiform. Anterior premolars reduced; p? and p* two rooted with small or rudimentary heelcusps;…
Natural history · Science
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