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Ambystomatidae
mole Salamanders (4f 5b, Lungs costal grooves color+pattern, has some paedomorphy)
Ambystoma tigrinum
Tiger salamander
Ambystoma texanum
Small mouth salamander
Ambystoma laterale
Blue spotted salamander
Proteidae
mud puppies (costal groves, external gills, fully aquatic, some viviparity, 4f 4b)
Necturus maculosus
common mudpuppy
Notopthalmus viridescens
eastern newt
salamandridae
newts
amphiumidae
amphiumas
Cryptobranchidae
hellbenders