Alongside some of the other archosaurs (some of which become dinosaurs and pterosaurs of Jurassic and Cretaceous time periods), the first crocodilians appeared in the early to middle Triassic period, around 248 MYA. Crocodilians are economically important for their thick, attractive hide, which can be used to make fine leather for expensive consumer goods, such as shoes, handbags, and other luxury items. Crocodiles and other members of the Crocodilian family have a ferocious digestive system that is immune to bacteria, viruses, and microbes. Written by a crocodile specialist, it's an ever-growing database of everything you need to know about crocodiles, including all the different species, their biology, … 1. No. The three families are members of class Reptilia and order Crocodilia. See more. There are three different families of crocodilians: Alligatoridae (alligators), Crocodylidae (crocodiles), and Gavialidae (gharial). Crocodilians are large carnivorous reptiles of the order Crocodilia, which includes true crocodiles and alligators, in addition to caimans and gharials.Though it is common to refer to all of these different genera and species as crocodiles, ‘crocodilian’ is the more accurate term. What does crocodilians mean? Crocodilians first appeared on planet Earth, about 80 million years ago. Research has revealed that the reptiles are resistant to HIV. The three families are members of class Reptilia and order Crocodilia. Of all the reptiles alive today, crocodiles may be the least changed from their prehistoric forebears of the late Cretaceous period, over 65 million years ago—although the even earlier crocodiles of the Triassic and Jurassic periods sported some distinctly un-crocodile-like … The living descendants of dinosaurs are not crocodilians but birds. Crocodilians first appeared about 84 million years ago during the Late Cretaceous. Other diapsids include dinosaurs, pterosaurs, and the squamates, a group that encompasses modern lizards, snakes, and worm lizards. Crocodilians are large carnivorous reptiles of the order Crocodilia, which includes true crocodiles and alligators, in addition to caimans and gharials.Though it is common to refer to all of these different genera and species as crocodiles, ‘crocodilian’ is the more accurate term. Crocodilians are readily hunted at night, when they can be found using searchlights that reflect brightly off their eyes. Information and translations of crocodilians in the most comprehensive dictionary definitions resource on the web. They can walk in low, sprawled "belly walk," or hold their legs more directly underneath them to perform the "high walk." Of, relating to, or resembling the members of this order. Of, relating to, or resembling a crocodile. adj. Crocodilians are more like birds than other reptiles in the aspect that crocodilians and birds share a more recent common ancestor. Crocodilians: Natural History and Conservation is the Internet's largest crocodile site, established in 1995. 2.

Most other reptiles can only walk in a sprawled position, and chameleons are the only modern reptiles with a more erect posture than crocodilians. Gavial: Another example of crocodilian reptile. There are three different families of crocodilians: Alligatoridae (alligators), Crocodylidae (crocodiles), and Gavialidae (gharial). Crocodilian definition is - any of an order (Crocodylia) of reptiles including the crocodiles, alligators, caimans, gharials, and related extinct forms. Researchers believe that the animals share a common ancestral origin but are separated by … Crocodilians are highly cryptic animals, but we can count crocodilians by the eye-shine reflected by spotlights used in night surveys.

Crocodilians and dinosaurs evolved from separate branches of a group of reptiles called archosaurs. an (krŏk′ə-dĭl′ē-ən, -dĭl′yən) n. Any of various reptiles of the order Crocodylia (or Crocodilia), which includes the alligators, the crocodiles, the caimans, and the gharial. 2. Crocodilians inhabit all continents except Europe and Antarctica. Definition of crocodilians in the Definitions.net dictionary. Crocodilians. Where do crocodilians live? 1. They even look like they belong there, appearing like logs that are floating in a swamp or washed up on shore. Of, relating to, or resembling a crocodile. Includes distribution and habitat information (plus maps), photographic images and head drawings, plus biology, ecology and conservation information in an easy to navigate format. - Unfortunately, the gills are one of the species of reptiles that is in great danger of extinction today. They live in wetland areas, as they are most at home in or near the water.


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