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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.
The only order-level taxon that is currently considered valid is Crocodilia in its present definition. Prehistoric crocodiles are represented by many taxa, but since few major groups of the ancient forms are distinguishable, a conclusion on how to define new order-level clades is not yet possible. (Benson & Clark, 1988).
Crocodiles (family Crocodylidae) or true crocodiles are large, semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.The term “crocodile” is sometimes used more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (both members of the family Alligatoridae), the gharial and false gharial (both ...
Sebecids were terrestrial crocodiles, meaning they lived and hunted on land. Essentially, Barinasuchus was a land-dwelling predator that was the height of a man, weighed over 3,000 lbs, and was 25 ...
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.
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.
Ancient Egypt had Sobek, the crocodile-headed god, with his cult-city Crocodilopolis, as well as Taweret, the goddess of childbirth and fertility, with the back and tail of a crocodile. [7] In Hinduism , Varuna , a Vedic and Hindu god, rides a makara , a water-beast like a crocodile, [ 14 ] [ 15 ] and he is called Nāgarāja, lord of snakes. [ 15 ]