Large, semi-aquatic, armored reptiles with a long snout, powerful jaws and a four-chambered heart unusually sophisticated for a reptile. Crocodilia includes crocodiles, alligators, caimans and gharials, and is the closest living relative of the birds among all reptile orders.
Facts
Disputed
Member Species/Taxa CountApproximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized. Taxonomic Rank Scientific Name Connections
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