Amblyopsis
Amblyopsis hoosieri
Amblyopsis spelaea
Amblyopsis

Found only in North America: Indiana, Missouri, Arkansas and a few other states.


Chologaster
Chologaster cornuta
Chologaster

Forbesichthys
Forbesichthys agassizii
Forbesichthys

Speoplatyrhinus
Speoplatyrhinus poulsoni
Speoplatyrhinus

Troglichthys
Troglichthys rosae
Troglichthys

Typhlichthys
Typhlichthys subterraneus
Typhlichthys