1) Family crocodylidae 2) Reptile family 3) True crocodiles 
The Crocodylidae family of crocodylians includes the true crocodiles which are the members of the subfamily Crocodylinae and the Tomistoma genus. Currently, the family includes two subfamilies, Crocodylinae and Tomistominae, with the latter being a subject of controversy whether it is a crocodile or belongs to the family Gavialidae. Further geneti...
Crocodylidae is the crocodile family of the order Crocodilia.
[n] - true crocodiles
family Crocodylidae noun true crocodiles