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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 ...
† Crocodylus checchiai is an extinct crocodile from Late Miocene of Kenya. † Crocodylus falconensis is an extinct crocodile from Early Pliocene of Venezuela. † Crocodylus palaeindicus is an extinct crocodile the Miocene to the Pleistocene of southern Asia. † Crocodylus thorbjarnarsoni is an extinct crocodile from Plio-Pleistocene of Kenya.
Articles about taxa in the order Crocodilia—the crocodiles, alligators, and gharials, as well as some extinct species Subcategories This category has the following 11 subcategories, out of 11 total.
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 ...
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
However, beginning in the late 1980s, many scientists began restricting the order Crocodilia to the living species and close extinct relatives such as Mekosuchus. The various other groups that had previously been known as Crocodilia were moved to Crocodylomorpha and the slightly more restrictive Crocodyliformes . [ 11 ]
Clark's solution to this issue was to restrict the name Crocodylia to the group containing modern alligators, crocodiles, and gharials, plus any extinct taxa descended from their closest common ancestor. The traditional group "Crocodylia" was replaced by the name Crocodyliformes, defined to include many of the extinct families that the new ...
The following list of reptiles lists the vertebrate class of reptiles by family, spanning two subclasses. Reptile here is taken in its traditional ( paraphyletic ) sense, and thus birds are not included (although birds are considered reptiles in the cladistic sense).