An order of amphibians having the tail well developed and often long. It comprises the salamanders, tritons, and allied animals.

MS = An order of the Amphibia class which includes salamanders and newts. They are characterized by usually having slim bodies and tails, four limbs of about equal size (except in Sirenidae), and a reduction in skull bones. AN = includes SALAMANDERS (note X ref below), mudpuppies ( = NECTURUS & specific) & NEWTS ( = SALAMANDRIDAE & specifics); NIM when exper animal: no qualif; when IM, qualif permitted UI = D014562

This Order (biology) includes Salamanders and Newts.