Taxa Count: 69

HYDROBIIDAE

Amnicola

Amnicola cincinnatiensis

Amnicola dalli

Amnicola emarginata

Amnicola greggi

Amnicola limosa

Amnicola lustrica

Amnicola porata

Apachecoccus arizonae

Birgella subglobsa

Cincinnatia comalensis

Cochliopina milleri

Cochliopina riograndensis

Cuestania

Fontelicella

Fontelicella betulina

Fontelicella bonnevillensis

Fontelicella californiensis

Fontelicella cerasina

Fontelicella glenwoodensis

Fontelicella hendersoni

Fontelicella idahoensis

Fontelicella intermedia

Fontelicella lasseni

Fontelicella longinqua

Fontelicella melina

Fontelicella micrococcus

Fontelicella petricola

Fontelicella pilsbryana

Fontelicella pruessi

Fontelicella robusta

Fontelicella salicina

Fontelicella schellirivis

Fontelicella stearnsiana

Fontelicella sublacustris

Fontelicella tetonica

Fontelicella virginis

Hyalopyrgus aequicostatus

Marstonia

Marstonia decepta

Marstonia lustrica

Mexithauma quadripaludium

Micropyrgiscus hemphilli

Modocfonticola hannibali

Mycropyrgiscus

Probythinella emarginata

Probythinella lacustris

Pyrgulopsis

Pyrgulopsis arizonae

Pyrgulopsis lustrica

Pyrgulopsis metcalfi

Pyrgulopsis pecosensis

Somatogyrus

Somatogyrus tryoni

Tryonia

Tryonia adamantina

Tryonia alamosae

Tryonia brunei

Tryonia cheatumi

Tryonia circumstriata

Tryonia clathrata

Tryonia gilae

Tryonia imitator

Tryonia kosteri

Tryonia metcalfi

Tryonia petricola

Tryonia protea

Tryonia sanctaerosae

Tryonia stokesi