Transactions - American Philosophical Society . ortion of a dental bone, but also a smallpart of a coronoid bone; and that the teeth, instead of beingin a longitudinal groove -in close contact throughout,•there being no distinct, separate alveoli, arc in fact placedin distinct alveoli. The most important generic character which was sup-posed to distinguish this animal from the one we describedhaving thus no existence, it appears proper in the presentstate of our knowledge to place the two species in the samegenus; and. as the genus Sanroccphalus is founded on erro-neous characters, and will no
Transactions - American Philosophical Society . ortion of a dental bone, but also a smallpart of a coronoid bone; and that the teeth, instead of beingin a longitudinal groove -in close contact throughout,•there being no distinct, separate alveoli, arc in fact placedin distinct alveoli. The most important generic character which was sup-posed to distinguish this animal from the one we describedhaving thus no existence, it appears proper in the presentstate of our knowledge to place the two species in the samegenus; and. as the genus Sanroccphalus is founded on erro-neous characters, and will not admit our species, it becomesnecessary to construct a new genus, which we shall accord-ingly do, and shall retain for it the name Saurodon. Genus Saurodon (Hays). Teeth of the lower jaw closingwithin those of the upper, like incisors: a regular series offoramina along the inner aspect of the jaws near their alveo-lar margins, for the passage of nerves and blood-vessels to theteeth. Species 1. S. lanciformis. A groove along the inner
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