cynodont

Trityldon(Greek for 3 cusped tooth) was a species of tritylodont, one of the most advanced group of cynodont therapsids.

三瘤是三瘤中一属，而三瘤类是犬类中最先一群。

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.

即使原犬鳄龙很原始，牠们已有先乳类特徵。原犬鳄龙外表与头亚目动物有点类似。