Order Crocodilia

The living reptiles most closely related to the dinosaurs are the crocodilians, order Crocodilia. This group is composed of about 21 species of large, heavy-bodied, aquatic reptiles. In addition to crocodiles and alligators, the order includes the caimans and the gavial. Figure 41-14 shows some examples of crocodilians.

Crocodilians live in many tropical and subtropical regions of the world. Alligators live in China and the southern United States. Caimans are native to Central America and South America, and they have been introduced into Florida.

figure 41-14

(a) Crocodiles, such as genus Crocodylus, are found in Africa, Asia, Australia, and the Americas. (b) The gavial, Gavialis gangeticus, is a crocodilian with an extremely long and slender snout adapted for seizing and eating fish. Gavials live only in India and Burma.

figure 41-14

(a) Crocodiles, such as genus Crocodylus, are found in Africa, Asia, Australia, and the Americas. (b) The gavial, Gavialis gangeticus, is a crocodilian with an extremely long and slender snout adapted for seizing and eating fish. Gavials live only in India and Burma.

www.scilinks.org Topic: Lizards Keyword: HM60885

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