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In 2003, [5] new fossils of several types of ancient crocodile were found, including one with a flat broad snout reminiscent of a duck's bill, though it has teeth and is obviously crocodilian rather than bird-like. This genus has been named Anatosuchus or "DuckCroc", and it had an upright stance rather than the sprawled legs of modern crocodiles.
Cladistically, it is defined as Crocodylus niloticus (the Nile crocodile) and all crocodylians more closely related to C. niloticus than to either Alligator mississippiensis (the American alligator) or Gavialis gangeticus (the gharial). [5] This is a stem-based definition for crocodiles, and is more inclusive than the crown group Crocodylidae. [3]
Crocodilians typically remain underwater for up to fifteen minutes, but under ideal conditions, some can hold their breath for up to two hours. [98] The depth to which crocodilians can dive is unknown, but crocodiles can dive to at least 20 m (66 ft). [99] Crocodilians vocalize by vibrating vocal folds in the larynx.
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 and ...
Crocodyliformes is a clade of crurotarsan archosaurs, the group often traditionally referred to as "crocodilians". They are the first members of Crocodylomorpha to possess many of the features that define later relatives. They are the only pseudosuchians to survive the K-Pg extinction event.
Crocodilians are a type of crocodylomorph pseudosuchian, a subset of archosaurs that appeared about 235 million years ago and were the only survivors of the Triassic–Jurassic extinction event. The order includes the true crocodiles (family Crocodylidae), the alligators and caimans (family Alligatoridae ), and the gharial and false gharial ...
Print/export Download as PDF; Printable version; In other projects ... Articles about taxa in the order Crocodilia—the crocodiles, alligators, ...
Category: Individual crocodilians. ... Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance.