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Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders , historically combined with that of modern amphibians , is called herpetology .
Squamata is the largest order of reptiles, comprising lizards, snakes and amphisbaenians (worm lizards), which are collectively known as squamates or scaled reptiles. With over 10,000 species, [15]
Lizard is the common name used for all squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, [1] ranging across all continents except Antarctica, as well as most oceanic island chains. The grouping is paraphyletic as some lizards are more closely related to snakes than they are to other ...
This is a checklist of American reptiles found in Northern America, based primarily on publications by the Society for the Study of Amphibians and Reptiles (SSAR). [1] [2] [3] It includes all species of Bermuda, Canada, Greenland, Saint Pierre and Miquelon, and the United States including recently introduced species such as chameleons, the Nile monitor, and the Burmese python.
This list of pterosaurs is a comprehensive listing of all genera that have ever been included in the order Pterosauria, excluding purely vernacular terms.The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomen dubium), or were not formally published (nomen nudum), as well as junior synonyms of more established names, and genera that are ...
Many species in this family are small to medium-sized lizards that range in length from 6 to 30 cm (2.4 to 11.8 inches). [46] There are large species in the genus Smaug, the largest of which is a giant girdled lizard (Smaug giganteus), with snout-vent length up to 20.5 cm (8.07 in) [47] and total length up to roughly 40 cm (15.74 in). [48]
Most lizard species and some snake species are insectivores. The remaining snake species, tuataras, and amphisbaenians, are carnivores. While some snake species are generalist, others eat a narrow range of prey - for example, Salvadora only eat lizards. [33] The remaining lizards are omnivores and can consume plants or insects. The broad ...
Glass lizards: Slowworm (Anguis fragilis) Anniellidae Gray, 1852: American legless lizards: California legless lizard (Anniella pulchra) Xenosauridae Cope, 1866: Knob-scaled lizards: Chinese crocodile lizard (Shinisaurus crocodilurus) Gekkota: Family Common Names Example Species Example Photo Dibamidae Boulenger, 1884: Blind lizards: Dibamus ...