Crocodilia - Wikipedia
网页Crocodilia (or Crocodylia, both / krɒkəˈdɪliə /) is an order of semiaquatic, predatory reptiles known as crocodilians. They first appeared during the Late Cretaceous and are the closest living relatives of birds.
List of crocodilians - Wikipedia
网页Crocodilia is an order of mostly large, predatory, semiaquatic reptiles, which includes true crocodiles, the alligators, and caimans; as well as the gharial and false gharial. A member of this order is called a crocodilian, or colloquially a crocodile.
ADW: Crocodylia: INFORMATION
网页2002年9月9日 · Crocodilians, along with birds, are the only survivors of the once-prevalent Archosauria. During the Mesozoic (245-65 million years ago) this group, including dinosaurs and other reptiles, dominated life on all continents and in the oceans.
Crocodilian - San Diego Zoo Animals & Plants
网页The fact is, crocodilians—alligators, crocodiles, caimans, and gharials—are a misunderstood group of animals, most of which face serious threats to their habitat as well as being hunted for their skin by humans. Of the 23 species of crocodilians, 7 are critically endangered, and nearly all are at risk in some part of their range.
Powerful Predators: The Crocodilians - ThoughtCo
网页2019年8月16日 · Crocodilians are semi-aquatic predators that have changed little since the time of the dinosaurs. All species of crocodilians have similar body structures; elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on top of the head.
Crocodilians (Crocodiles, Alligators, Caimans, and Gharials)
网页Crocodilians are found in over 90 countries and islands, generally in tropical and subtropical regions warm enough for successful reproduction. American and Chinese alligators, found in the highest latitudes of any species, do have a limited ability to survive seasonal freezing where deep water or shelter is available.
Crocodile | Habitat, Species, Diet, & Facts | Britannica
网页2024年9月5日 · crocodile, (order Crocodylia, or Crocodilia), any of about 27 species of generally large, ponderous, amphibious animals of lizard -like appearance and carnivorous habit belonging to the reptile order Crocodylia. Crocodiles have powerful jaws with many conical teeth and short legs with clawed webbed toes.
Crocodile - Adaptations, Habitat, Diet | Britannica
网页2024年9月5日 · Crocodile - Adaptations, Habitat, Diet: Crocodilians are adapted to an amphibious way of life. Their body is elongated, and their long, muscular tail is well suited to rapid swimming. The nostril openings, eyes, and ear openings are the highest parts of the head. Structurally, the crocodile heart is markedly different from other reptiles.
Crocodile - Evolution, Classification, Adaptations | Britannica
网页2024年9月5日 · Paleontology. synapsid and reptilian skull types. Like all reptiles, crocodiles are diapsids—i.e., they have two openings on each side of the skull. Crocodiles also show the most important characteristics of the group that includes the …
Crocodile - Wikipedia
网页Crocodiles (family Crocodylidae) or true crocodiles are large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.
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