They are divided into 3 groups:
* Canidae (Dogs)
* Arctoidea (Bears, Seals, Mustelids)
* Feliformia (Cats, Hyenas, Mongooses, Viverids)
They have carnassial teeth
They have 3 incisors on both upper and lower teeth
Their canines are thick and stress resistant
Their turbinates are large and complex
Canidae
Arctoidea
Feliformia