 It is obvious that the dental specializations related to predaceous habits.Evidently the Eothyrids tended to be dominant types and it is interesting that except for little "Eothyris parkeyi", which may be considered as a small late survivor.Its teeth suggest that it was a carnivore, but because "Eothyris parkeyi" is known only from a skull, it is difficult to say much else about its way of life.