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Vertebrate Zoology

Urodela (Salamanders)

General Anatomy of Salamanders Four robust limbs; Anatomy and locomotion similar to ancestral state; common Paedomorphism; Cutaneous gas exchange; Mostly small
General Location of Salamanders North to Central America
Plethodontids Lack lungs so entirely cutaneous; Small, long, and thin; Terrestrial; Ballistic tongue with skeletal elements from hyobrachial apparatus from ancestral gill arches
Reproduction Spermatophores to be picked up by female cloacas; Gives rise to complex courtship behaviors; Eggs are laid in water or on moist land; Viviparous young have long gestations and eat unfertilized eggs in the womb
Created by: LionsandGiants