Pyrgulopsis Pyrgulopsis milleri Pyrgulopsis californiensis Pyrgulopsis deserta Pyrgulopsis carinifera Pyrgulopsis archimedis Pyrgulopsis bryantwalkeri Pyrgulopsis aardahli Duckwater pyrg Pyrgulopsis perforata Huachuca springsnail Pyrgulopsis arizonae Gila springsnail Pyrgulopsis castaicensis Pyrgulopsis blainica Kingman springsnail Pyrgulopsis sanchezi Montezuma Well springsnail Pyrgulopsis licina Phantom cave snail Chupadera springsnail Moapa pebblesnail Brown springsnail Corded purg Fairbanks springsnail Pyrgulopsis bedfordensis Crystal Spring springsnail Grand Wash springsnail Davis County springsnail Jackson lake springsnail Page springsnail Ash Meadows pebblesnail Fossil springsnail Roswell springsnail Bruneau hot …

springsnail Pecos springsnail San Bernardino springsnail New Mexico hotspring snail Distal-gland springsnail South Sierra Nevada springsnail Pyrgulopsis minkleyi Transverse grand pyrg Elongate-gland springsnail Three Forks springsnail Verde Rim springsnail Median-gland Nevada springsnail Oasis Valley springsnail Socorro springsnail Amargosa springsnail Naegele springsnail Marstonia scalariformis Marstonia pachyta Marstonia olivacea Marstonia castor Marstonia ozarkensis Marstonia agarhecta Marstonia ogmorhaphe