Studied by 11 people
Cryptobranchidae
hellbenders, loose baggy skin, shovel head. external fertilization. eastern US and eastern asia. 2 genera 4 species
Hynobiidae
asian salamander. 1 specimen is a scrungly spindly bitch with a broken tail. external fertilization. 9 genera 82 species
Sirenidae
2 front legs only, usually external gills. external fertilization. southeastern US. 2 genera 5 species
Salamandridae
Newts and others, orange belly, often toxic. internal fertilization. N america, asia, europe, africa. 21 genera 120 species
Dicampodontidae
giant salamanders, that unique mottled pattern. internal fertilization. northwestern US. 1 genus 4 species
Ambystomatidae
mole salamanders, like tiger salamander. internal fertilization. north america. 1 genus 32 species
Proteidae
mudpuppy, 4 legs external gills. internal fertilization. eastern US and eastern europe. 2 genera 6 species
Rhyacotritonidae
small and shitty specimens yellow with dark spots, square ass vent. internal fertilization. Northwestern US. 1 genus 4 species
Amphiumidae
seal-faced worm, reduced legs, no external gills. internal fertilization. southeastern US. 1 genus 3 species
Plethodontidae
lungless salamanders, skinny bodies, nasolabial grooves. internal fertilization. north and south america. 28 genera 479 species
Order Gymnophiona Family Caeciliidae
no legs, annulii rings, cloaca at end of tail, no external gills. internal fertilization. pantropical. 33 genera 214 species
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