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Extinct crocodylomorphs were considerably more ecologically diverse than modern crocodillians. The earliest and most primitive crocodylomorphs are represented by " sphenosuchians ", a paraphyletic assemblage containing small-bodied, slender forms with elongated limbs that walked upright, which represents the ancestral morphology of Crocodylomorpha.
Large crocodilians can take prey as big as or bigger than humans. Most of the data about such attacks involve the saltwater crocodile, the Nile crocodile, the mugger crocodile, the American crocodile, the American alligator and the black caiman. Other species that often attack humans are Morelet's crocodile and the spectacled caiman. [151]
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 ...
Archosauria as a term was first coined by American paleontologist Edward Drinker Cope in 1869, and included a wide range of taxa including dinosaurs, crocodilians, thecodonts, sauropterygians (which may be related to turtles), rhynchocephalians (a group that according to Cope included rhynchosaurs, which nowadays are considered to be more basal ...
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A Brazilian scientist has identified fossils of a small crocodile-like reptile that lived during the Triassic Period several million years before the first dinosaurs. The fossils of the predator ...
About 76 million years ago, a juvenile of one of the largest flying creatures in Earth's history, called Cryodrakon boreas, walked along a riverbank on a lush coastal plain and lowered its ...
Sarcosuchus is commonly classified as part of the clade Pholidosauridae, [3] [12] [13] a group of crocodile-like reptiles (Crocodyliformes) related but outside Crocodylia (the clade containing living crocodiles, alligators and gharials). [3] Within this group it is most closely related to the North American genus Terminonaris. [3]