1) Protomammal 2) Small carnivorous reptiles 3) Therapsid 
The cynodonts (`dog teeth`), in the clade Cynodontia, are therapsids that first appeared in the Late Permian (approximately 260 Ma). The group includes modern mammals (including humans) as well as their extinct ancestors and close relatives. Nonmammalian cynodonts spread throughout southern Gondwana and are represented by fossils from South Amer.....
(suborder or infraorder Cynodontia), mammallike reptiles of the order Therapsida (see therapsid) that existed from the Late Permian to the Early ...
1. A canine tooth. ... 2. A tooth having one cusp or point. ... Origin: G. Kyon, dog, + odous (odont-), tooth ... (05 Mar 2000) ... 
Type: Term Pronunciation: sī′nō-dont Definitions: 1. A canine tooth. 2. A tooth having one cusp or point.
[n] - small carnivorous reptiles
cynodont 1. A canine tooth. 2. A tooth having one cusp or point.
noun small carnivorous reptiles