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.
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- 即使原犬鳄龙科很原始,牠们已有先进的哺乳类特徵。原犬鳄龙科外表与兽头亚目动物有点类似。