1) Newt 
• (n. pl.) An order of amphibians having the tail well developed and often long. It comprises the salamanders, tritons, and allied animals.
(from the article `amphibian`) ...pantropical.Infraclass BatrachiaTriassic to Recent; worldwide except Antarctica.Superorder UrodelaJurassic to Recent; primarily Northern ... ...related to their normal life. The gustatory organs are typical taste buds not only on the tongue and walls of the mouth and pharynx but also ... ...the rhipi...
Amphibians of the Order Caudata that have tails: newts and salamanders.
The urodela are a subclass of amphibia. They are the newts and salamanders. The tail persists throughout life. The fore and hind limbs are poorly developed.