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Salamanders and Newts

Salamander is a common name of approximately 550 extant species of amphibians. They are typically characterized by a superficially lizard-like appearance, with slender bodies, short noses, and long tails. All known fossil salamanders and all extinct species fall under the order Caudata, while sometimes the extant species are grouped together as the Urodela. Most salamanders have four toes on their front legs and five on their rear legs.

Newts share many of the characteristics of their salamander kin; Caudata, including semi-permeable glandular skin, four equal sized limbs and a distinct tail. The newt's skin, however, is not as smooth as that of other salamanders.[2] Aquatic larvae have true teeth on both upper and lower jaws, and external gills. They have the ability to regenerate limbs, eyes, spinal cords, hearts, intestines, and upper and lower jaws.

 

 

 

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