Alligatoroidea
Alligatoroidea is a superfamily of crocodilians that evolved in the Late Cretaceous period. Cladistically, Alligatoroidea is Alligator mississippiensis and all crocodylians more closely related to A. mississippiensis than to either Crocodylus niloticus or Gavialis gangeticus.Taxonomy
- Superfamily Alligatoroidea
- * Family Alligatoridae
- ** Subfamily Alligatorinae
- *** Genus † Albertochampsa
- *** Genus Alligator
- **** † Alligator mcgrewi
- **** † Alligator mefferdi
- **** American alligator, Alligator mississippiensis
- **** † Alligator olseni
- **** † Alligator prenasalis
- **** Chinese alligator, Alligator sinensis
- *** Genus † Allognathosuchus
- *** Genus † Arambourgia
- *** Genus † Ceratosuchus
- *** Genus † Chrysochampsa
- *** Genus † Eoalligator
- *** Genus † Hassiacosuchus
- *** Genus † Hispanochampsa
- *** Genus † Krabisuchus
- *** Genus † Navajosuchus
- *** Genus † Procaimanoidea
- *** Genus † Wannaganosuchus
- ** Subfamily Caimaninae
- *** Genus Caiman
- **** Yacare caiman, Caiman yacare
- **** Spectacled caiman, Caiman crocodilus
- ***** Rio Apaporis caiman, C. c. apaporiensis
- ***** Brown caiman, C. c. fuscus
- **** Broad-snouted caiman, Caiman latirostris
- **** † Caiman lutescans
- *** Genus Melanosuchus
- **** † Melanosuchus fisheri
- **** Black caiman, Melanosuchus niger
- *** Genus † Eocaiman
- *** Genus † Mourasuchus
- *** Genus † Necrosuchus
- *** Genus † Orthogenysuchus
- *** Genus Paleosuchus
- **** Cuvier's dwarf caiman, Paleosuchus palpebrosus
- **** Smooth-fronted caiman, Paleosuchus trigonatus
- *** Genus † Purussaurus
