伟鬣兽出土于早中新世的非洲(埃及和利比亚) 是鬣齿兽类的后期成员
学名Megistotherium 其实从学名中就可以看出这是种巨兽 Mega-这个词根的意思就是大 而Megistos这个词根应该就是Mega-的最高级 是"最大的"(当然和象类 犀类等其他动物相比这个最大并不准确). 一些学者认为它的体型可能不逊于蒙古安氏中兽
特点(懒得翻 直接复制了):Revised diagnosis.-Gigantic hyaenodontine; single large upper incisor; large upper canine, laterally placed with respect to other teeth; palate constricted near P1-2; P3-4 three-rooted; P4 width greater than length; M1-2 trenchant; M3 small, transverse (Savage, 1973). Mandible deep and bowed forming thick horizontal torus along inferior edge; p4 differs from that of other hyaenodontines in being obliquely oriented with respect to the axis of the mandible; p4 further differs from that of Hyainailouros in bearing a small, trenchant hypoconid; ml differs from that of Pterodon and Hyaenodon in its extreme size reduction, and the lack of differentiated cusps and crests; m2-3 resemble those of most hyaenodontines
学名Megistotherium 其实从学名中就可以看出这是种巨兽 Mega-这个词根的意思就是大 而Megistos这个词根应该就是Mega-的最高级 是"最大的"(当然和象类 犀类等其他动物相比这个最大并不准确). 一些学者认为它的体型可能不逊于蒙古安氏中兽
特点(懒得翻 直接复制了):Revised diagnosis.-Gigantic hyaenodontine; single large upper incisor; large upper canine, laterally placed with respect to other teeth; palate constricted near P1-2; P3-4 three-rooted; P4 width greater than length; M1-2 trenchant; M3 small, transverse (Savage, 1973). Mandible deep and bowed forming thick horizontal torus along inferior edge; p4 differs from that of other hyaenodontines in being obliquely oriented with respect to the axis of the mandible; p4 further differs from that of Hyainailouros in bearing a small, trenchant hypoconid; ml differs from that of Pterodon and Hyaenodon in its extreme size reduction, and the lack of differentiated cusps and crests; m2-3 resemble those of most hyaenodontines