cynodont

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

三瘤三瘤科中的一属，而三瘤类犬类中最先的一群。

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.

即使犬鳄龙科很始，牠们已有先的哺乳类。犬鳄龙科外表与头亚目动物有点类似。