爬幼犬兽属(学名:Herpetoskylax)是种已灭绝合弓类动物,是巴莫鳄亚目的一属,生存于二叠纪晚期的南非。模式种是H. hopsoni,属名意为“爬行的小狗”[1][2]。
化石是一个接近完整的头颅骨、下颌,以及一个变形的头颅骨、下颌。头颅骨长度为13公分,完整身长被估计约1米长。
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