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Caimaninae is cladistically defined as Caiman crocodylus (the spectacled caiman) and all species closer to it than to Alligator mississippiensis (the American alligator). [ 8 ] [ 9 ] This is a stem-based definition for caimaninae, and means that it includes more basal extinct caimanine ancestors that are more closely related to living caimans ...
The yacare caiman (Caiman yacare), also known commonly as the jacare caiman, Paraguayan caiman, piranha caiman, red caiman, [5] and southern spectacled caiman, [6] is a species of caiman, a crocodilian in the family Alligatoridae. The species is endemic to Argentina, Bolivia, Brazil, and Paraguay.
Three extant crocodilian species clockwise from top-left: saltwater crocodile (Crocodylus porosus), American alligator (Alligator mississippiensis), and gharial (Gavialis gangeticus) Crocodilia is an order of mostly large, predatory , semiaquatic reptiles , which includes true crocodiles , the alligators , and caimans ; as well as the gharial ...
The spectacled caiman (Caiman crocodilus), also known as the white caiman, [6] common caiman, [7] and speckled caiman, [8] is a crocodilian in the family Alligatoridae.It is brownish-, greenish-, or yellowish-gray colored and has a spectacle-like ridge between its eyes, which is where its common name come from.
Jacarea is a clade of caimans within the subfamily Caimaninae.Jacarea was first named by Norell in 1988 to include the extant species within the genera Caiman and Melanosuchus, while excluding the dwarf caiman genus Paleosuchus. [1]
The yacare caiman is the largest species in the genus, attaining an average adult length of 2.5 to 3 m (8.2 to 9.8 ft), [5] the spectacled caiman reaches 2 to 2.5 m (6.6 to 8.2 ft), with the female rather smaller, [6] and the broad-snouted caiman is the smallest, more typically measuring 1.8 to 2 m (5.9 to 6.6 ft) for males and 1.2 to 1.4 m (3. ...
Caiman venezuelensis is an extinct species of caiman that lived in South America during the Pleistocene.The holotype of C. venezuelensis — OR-1677, a partial left premaxilla bone — was discovered in the locality of El Breal of Orocual, in the Mesa Formation, in the state of Monagas, Venezuela, the country of which derives their species name.
The black caiman (Melanosuchus niger) is a crocodilian reptile endemic to South America.With a maximum length of around 5 to 6 m (16 to 20 ft) and a mass of over 450 kg (1,000 lb), [6] it is the largest living species of the family Alligatoridae, and the third-largest crocodilian in the Neotropical realm.