Caudata

**Definition:** 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.

**Tree numbers:** - B01.050.150.900.090.608

**Synonyms:** - Urodeles - Salamanders and Newts - Newts and Salamanders - Urodela