Canadian Medical Guide > Organisms > Animals > Chordata > Vertebrates > Amphibia > Urodela Terms and Definitions

Urodela

Medical 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.
Guide Notes:	includes SALAMANDERS (note X ref below), mudpuppies ( = NECTURUS & specific) & NEWTS ( = SALAMANDRIDAE & specifics); NIM when exper animal: no qualif; when IM, qualif permitted
Also Called:	Eel, Congo,Salamanders

Urodela Categories.

	Ambystomatidae - A family of the class Urodela which includes 4 living genera, about 33 species, and occurs only in North America. Adults are usually terrestrial, but the larval forms are aquatic.
	Proteidae - The Proteidae family of permanently larval aquatic salamanders. It consists of two living genera - Necturus (mudpuppy) of the eastern United States and Proteus (the European olm).
	Salamandridae - A family of Urodela consisting of 15 living genera and about 42 species and occurring in North America, Europe, Asia, and North Africa.

Urodela Medical Definitions and Terms

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