Trityldon(Greek for 3 cusped tooth) was a species of tritylodont, one of the most advanced group of cynodont therapsids.
三瘤齿兽是三瘤齿兽科
的
属，而三瘤齿兽
是犬齿兽
先
的
。
Trityldon(Greek for 3 cusped tooth) was a species of tritylodont, one of the most advanced group of cynodont therapsids.
三瘤齿兽是三瘤齿兽科的属，而三瘤齿兽是犬齿兽先的。
Despite being the basal member of the cynodont clade, they already showed some of the advanced mammalian characteristics, but Procynosuchids bore resemblance to the Therocephalians.
使原犬鳄龙科很原始，牠们已有先的哺乳特徵。原犬鳄龙科外表与兽头亚目动物有点似。
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