What animal is a cayman?

Diapsid (Diapsids, the group of reptiles that developed two holes in each side of their skulls, about 300 million years ago during the late Carboniferous period)

Eureptilia, one of the two major clades of the Sauropsida, an other being Anapsida

reptile (a typically cold-blooded vertebrate animal of the class that includes snakes, lizards, crocodiles, turtles, and tortoises)

Crurotarsi, a group of archosaurs, whose name, erected as a node-based clade by Paul Sereno in 1991 to supplant the old term Pseudosuchia

Crocodylomorpha, an important group of archosaurs that include the crocodilians and their extinct relatives

Archosaur (Archosaurs, the group of diapsid reptiles represented by modern birds and crocodilians)

Archosauromorpha, an Infraclass of diapsid reptiles that first appeared during the late Permian and became more common during the Triassic

Crocodilia (an order of large reptiles that appeared about 84 million years ago in the late Cretaceous Period)

Alligatoroidea, a superfamily of crocodilians that evolved in the Late Cretaceous period