Related topics: dinosaurs · fossil

New research provides clear answer to debate on dinosaur posture

(PhysOrg.com) -- Research published today (22nd February) provides, for the first time, a clear answer to the debate as to whether Triceratops and other extinct creatures took on a more mammal-like or more reptile like posture.

Philippines urged to free giant crocodile

An animal rights group urged the Philippines to free what is thought to be the world's largest crocodile in captivity, even though it allegedly killed two people.

Discovered: New species of African crocodile

While studying the critically endangered slender-snouted crocodile, researchers made a startling discovery—what they thought was one species is actually two. The discovery raises concerns about whether current conservation ...

Ancient African skull sheds light on American crocodile origins

The extinct African crocodile species Crocodylus checchiai may be closely related to American crocodile species alive today, according to a study published in Scientific Reports. The findings suggest that crocodiles may have ...

Ancient crocodiles walked on two legs like dinosaurs

An international research team has been stunned to discover that some species of ancient crocodiles walked on their two hind legs like dinosaurs and measured over three meters in length.

Australians find huge mega-wombat graveyard (Update)

Australian scientists Thursday unveiled the biggest-ever graveyard of an ancient rhino-sized mega-wombat called diprotodon, with the site potentially holding valuable clues on the species' extinction.

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Crocodile

See full taxonomy.

A crocodile is any species belonging to the family Crocodylidae (sometimes classified instead as the subfamily Crocodylinae). The term can also be used more loosely to include all members of the order Crocodilia: i.e. the true crocodiles, the alligators and caimans (family Alligatoridae) and the gharials (family Gavialidae), or even the Crocodylomorpha which includes prehistoric crocodile relatives and ancestors. Crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. Crocodiles tend to congregate in freshwater habitats like rivers, lakes, wetlands and sometimes in brackish water. They feed mostly on vertebrates like fish, reptiles, and mammals, sometimes on invertebrates like mollusks and crustaceans, depending on species. They are an ancient lineage, and are believed to have changed little since the time of the dinosaurs. They are believed to be 200 million years old whereas dinosaurs became extinct 65 million years ago; crocodiles survived great extinction events.

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