1 Talk Alligator Edit Fossil Record Alligator An Alligator is a crocodilian in the genus Alligator of the family Alligatoridae. This reptile-related article is a stub. You can help Fossil Wiki by expanding it. Read more Brachychampsa is an extinct genus of alligatoroid. Specimens have been found from New Mexico,... Brachychampsa Crocodyliformes Alligatorinae are one of two subfamilies of the family Alligatoridae. Subfamily Alligatorinae... Alligatorinae Related Categories Categories: Reptile stubs | Alligatoridae | Crocodiles Add category