犬楔齿蜥属

犬楔齿蜥属（学名：Cynosphenodon，意为“Dog Sphenodontian”）是来自墨西哥塔毛利帕斯的中侏罗纪La Boca组的楔齿蜥科的灭绝属。犬楔齿蜥属的牙齿生长模式表明它与现代楔齿蜥密切相关。Reynoso, V. H. (2003). Growth patterns and ontogenetic variation of the teeth and jaws of the Middle Jurassic sphenodontian Cynosphenodon huizachalensis (Reptilia: Rhynchocephalia). Canadian Journal of Earth Sciences 40(4), 609–619

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Category:墨西哥化石