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| Kingdom | Animalia
– Animal, animaux, animals |
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| Subkingdom | Bilateria
– triploblasts |
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| Infrakingdom | Protostomia
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| Superphylum | Spiralia
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| Phylum | Mollusca
– mollusques, molusco, molluscs, mollusks |
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| Class | Gastropoda Cuvier, 1797
– gastropods, slugs, snails, escargots, gastéropodes, limaces, caracol, caramujo, lesma |
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| Subclass | Orthogastropoda
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| Infraclass | Caenogastropoda
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| Order | Littorinida
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| Suborder | Rissoidina
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| Superfamily | Truncatelloidea Gray, 1840
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| Family | Hydrobiidae Stimpson, 1865
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| Genus | Pyrgulopsis Call and Pilsbry, 1886 |
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Direct Children: |
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| Species | Pyrgulopsis aardahli Hershler, 1989
– Benton Valley Springsnail | |
| Species | Pyrgulopsis aloba Hershler, 1998
– Duckwater Pyrg | |
| Species | Pyrgulopsis amargosae Hershler, 1989
– Amargosa Springsnail | |
| Species | Pyrgulopsis anatina Hershler, 1998
– Southern Duckwater Pyrg | |
| Species | Pyrgulopsis anguina Hershler, 1998
– Longitudinal Gland Pyrg | |
| Species | Pyrgulopsis archimedis S. S. Berry, 1947
– Archimedes Pyrg | |
| Species | Pyrgulopsis arizonae (Taylor, 1987)
– Apache Springsnail | |
| Species | Pyrgulopsis augustae Hershler, 1998
– Elongate Cane Spring Pyrg | |
| Species | Pyrgulopsis aurata Hershler, 1998
– Pleasant Valley Pyrg | |
| Species | Pyrgulopsis avernalis (Pilsbry, 1935)
– Moapa Pebblesnail | |
| Species | Pyrgulopsis bacchus Hershler, 1988
– Grand Wash Springsnail | |
| Species | Pyrgulopsis basiglans Hershler, 1998
– Large Gland Carico Pyrg | |
| Species | Pyrgulopsis bedfordensis Hershler and Gustafson, 2001
– Bedford Pyrg | |
| Species | Pyrgulopsis bernardina (Taylor, 1987)
– San Bernardino Springsnail | |
| Species | Pyrgulopsis bifurcata Hershler, 1998
– Small Gland Carico Pyrg | |
| Species | Pyrgulopsis blainica Hershler, Liu and Gustafson, 2008
– Blane Pyrg | |
| Species | Pyrgulopsis breviloba Hershler, 1998
– Flat Pyrg | |
| Species | Pyrgulopsis bruesi Hershler and Sada, 2000
– Fy Ranch Pyrg | |
| Species | Pyrgulopsis bruneauensis Hershler, 1990
– Bruneau Hot Springsnail | |
| Species | Pyrgulopsis bryantwalkeri Hershler, 1994
– Cortez Hills Pebblesnail | |
| Species | Pyrgulopsis californiensis (Gregg and Taylor, 1965)
– Laguna Mountain Springsnail | |
| Species | Pyrgulopsis carinata Hershler, 1998
– Carinate Duckwater Pyrg | |
| Species | Pyrgulopsis carinifera (Pilsbry, 1935)
– Moapa Valley Pyrg | |
| Species | Pyrgulopsis castaicensis Hershler and Liu, 2010
– Middle Canyon Spring Pyrg | |
| Species | Pyrgulopsis chamberlini Hershler, 1998
– Smooth Glenwood Pyrg | |
| Species | Pyrgulopsis chupaderae Taylor, 1987
– Chupadera Springsnail | |
| Species | Pyrgulopsis cinerana Hershler, Frest, Liu and Johannes, 2003
– Ash Valley Pyrg | |
| Species | Pyrgulopsis coloradensis Hershler, 1998
– Blue Point Pyrg | |
| Species | Pyrgulopsis conica Hershler, 1988
– Kingman Springsnail | |
| Species | Pyrgulopsis cruciglans Hershler, 1998
– Transverse Gland Pyrg | |
| Species | Pyrgulopsis crystalis Hershler and Sada, 1987
– Crystal Springsnail | |
| Species | Pyrgulopsis cybele Hershler and Liu, 2012
– Nature Pyrg | |
| Species | Pyrgulopsis davisi (Taylor, 1987)
– Limpia Creek Springsnail | |
| Species | Pyrgulopsis deaconi Hershler, 1998
– Spring Mountains Pyrg | |
| Species | Pyrgulopsis deserta (Pilsbry, 1916)
– Desert Springsnail | |
| Species | Pyrgulopsis diablensis Hershler, 1995
– Diablo Range Pyrg | |
| Species | Pyrgulopsis dixiensis Hershler, 1998
– Dixie Valley Pyrg | |
| Species | Pyrgulopsis eremica Hershler, 1995
– Smoke Creek Pyrg | |
| Species | Pyrgulopsis erythropoma (Pilsbry, 1899)
– Ash Meadows Pebblesnail | |
| Species | Pyrgulopsis fairbanksensis Hershler and Sada, 1987
– Fairbanks Springsnail | |
| Species | Pyrgulopsis falciglans Hershler, Frest, Liu and Johannes, 2003
– Likely Pyrg | |
| Species | Pyrgulopsis fausta Hershler, 1998
– Corn Creek Pyrg | |
| Species | Pyrgulopsis fresti Hershler and Liu, 2009
– Owyhee Hot Springsnail | |
| Species | Pyrgulopsis fusca Hershler, 1998
– Otter Creek Pyrg | |
| Species | Pyrgulopsis gibba Hershler, 1995
– Surprise Valley Pyrg | |
| Species | Pyrgulopsis gilae (Taylor, 1987)
– Gila Springsnail | |
| Species | Pyrgulopsis giuliani Hershler and Pratt, 1990
– Southern Sierra Nevada Springsnail | |
| Species | Pyrgulopsis glandulosa Hershler, 1988
– Verde Rim Springsnail | |
| Species | Pyrgulopsis gracilis Hershler, 1998
– Emigrant Pyrg | |
| Species | Pyrgulopsis greggi Hershler, 1995
– Kern River Pyrg, Kern River Springsnail | |
| Species | Pyrgulopsis hamlinensis Hershler, 1998
– Hamlin Valley Pyrg | |
| Species | Pyrgulopsis hovinghi Hershler, 1998
– Upper Thousand Spring Pyrg | |
| Species | Pyrgulopsis hualapaiensis Hershler, Liu and Stevens, 2016
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| Species | Pyrgulopsis hubbsi Hershler, 1998
– Hubbs Pyrg | |
| Species | Pyrgulopsis humboldtensis Hershler, 1998
– Humbolt Pyrg | |
| Species | Pyrgulopsis ignota Hershler, Liu and Lang, 2010
– Caroline Springs Pyrg | |
| Species | Pyrgulopsis imperialis Hershler, 1998
– Kings River Pyrg | |
| Species | Pyrgulopsis inopinata Hershler, 1998
– Carinate Glenwood Pyrg | |
| Species | Pyrgulopsis intermedia (Tryon, 1865)
– Crooked Creek Springsnail | |
| Species | Pyrgulopsis isolata Hershler and Sada, 1987
– Elongate-gland Springsnail | |
| Species | Pyrgulopsis kolobensis (Taylor, 1987)
– Toquerville Springsnail | |
| Species | Pyrgulopsis landyei Hershler, 1998
– Landyes Pyrg | |
| Species | Pyrgulopsis lasseni Hershler, Frest, Liu and Johannes, 2003
– Willow Creek Pyrg | |
| Species | Pyrgulopsis lata Hershler, 1998
– Butterfield Pyrg | |
| Species | Pyrgulopsis lentiglans Hershler, 1998
– Critteden Pyrg | |
| Species | Pyrgulopsis leporina Hershler, 1998
– Elko Pyrg | |
| Species | Pyrgulopsis limaria Hershler, 1998
– Squat Mud Meadows Pyrg | |
| Species | Pyrgulopsis lindae Hershler, Liu, Babbitt, Kellogg and Howard, 2016
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| Species | Pyrgulopsis lindahlae Hershler, Liu, Forsythe, Hovingh and Wheeler, 2017
– Lindahl's Pyrg | |
| Species | Pyrgulopsis lockensis Hershler, 1998
– Lockes Pyrg | |
| Species | Pyrgulopsis longae Hershler, 1995
– Long Valley Pyrg | |
| Species | Pyrgulopsis longiglans Hershler, 1998
– Western Lahontan Pyrg | |
| Species | Pyrgulopsis longinqua (Gould, 1855)
– Salton Sea Springsnail | |
| Species | Pyrgulopsis marcida Hershler, 1998
– Hardy Pyrg | |
| Species | Pyrgulopsis marilynae Hershler, Ratcliffe, Liu, Lang and Hay, 2014
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| Species | Pyrgulopsis merriami (Pilsbry and Beecher, 1892)
– Pahranagat Pebblesnail | |
| Species | Pyrgulopsis metcalfi (Taylor, 1987)
– Naegele Springsnail | |
| Species | Pyrgulopsis micrococcus (Pilsbry, 1893)
– Oasis Valley Springsnail | |
| Species | Pyrgulopsis militaris Hershler, 1998
– Northern Soldier Meadow Pyrg | |
| Species | Pyrgulopsis millenaria Hershler, 1998
– Twentyone Mile Pyrg | |
| Species | Pyrgulopsis milleri Hershler and Liu, 2010
– Pierpoint Spring Pyrg | |
| Species | Pyrgulopsis montana Hershler, 1998
– Camp Valley Pyrg | |
| Species | Pyrgulopsis montezumensis Hershler, 1988
– Montezuma Well Springsnail | |
| Species | Pyrgulopsis morrisoni Hershler, 1988
– Page Springsnail | |
| Species | Pyrgulopsis nanus Hershler and Sada, 1987
– Distal-gland Springsnail | |
| Species | Pyrgulopsis neomexicana (Pilsbry, 1916)
– Socorro Springsnail | |
| Species | Pyrgulopsis neritella Hershler, 1998
– Neritiform Steptoe Ranch Pyrg | |
| Species | Pyrgulopsis nevadensis (Stearns, 1883)
– Corded Pyrg | |
| Species | Pyrgulopsis nonaria Hershler, 1998
– Ninemile Pyrg | |
| Species | Pyrgulopsis notidicola Hershler, 1998
– Elongate Mud Meadows Pyrg | |
| Species | Pyrgulopsis nuwuvi Hershler, Liu, Forsythe, Hovingh and Wheeler, 2017
– Nuwuvi Pyrg | |
| Species | Pyrgulopsis ojaiensis Hershler, Liu, Babbitt, Kellogg and Howard, 2016
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| Species | Pyrgulopsis orbiculata Hershler, 1998
– Subo-globose Steptoe Ranch Pyrg | |
| Species | Pyrgulopsis owensensis Hershler, 1989
– Owens Valley Springsnail | |
| Species | Pyrgulopsis owyheensis Hershler and Liu, 2009
– Owyhee Upland Pyrg | |
| Species | Pyrgulopsis papillata Hershler, 1998
– Big Warm Spring Pyrg | |
| Species | Pyrgulopsis pecosensis (Taylor, 1987)
– Pecos Springsnail | |
| Species | Pyrgulopsis peculiaris Hershler, 1998
– Bifid Duct Pyrg | |
| Species | Pyrgulopsis pellita Hershler, 1998
– Antelope Valley Pyrg | |
| Species | Pyrgulopsis perturbata Hershler, 1989
– Fish Slough Springsnail | |
| Species | Pyrgulopsis pictilis Hershler, 1998
– Ovate Cain Spring Pyrg | |
| Species | Pyrgulopsis pilsbryana (J. L. Baily and R. I. Baily, 1952)
– Bear Lake Springsnail | |
| Species | Pyrgulopsis pisteri Hershler and Sada, 1987
– Median-gland Springsnail | |
| Species | Pyrgulopsis planulata Hershler, 1998
– Flat-topped Steptoe Pyrg | |
| Species | Pyrgulopsis plicata Hershler, 1998
– Black Canyon Pyrg | |
| Species | Pyrgulopsis robusta (Walker, 1908)
– Jackson Lake Springsnail | |
| Species | Pyrgulopsis roswellensis (Taylor, 1987)
– Roswell Springsnail | |
| Species | Pyrgulopsis ruinosa Hershler, 1998
– Fish Lake Pyrg | |
| Species | Pyrgulopsis rupinicola Hershler, Frest, Liu and Johannes, 2003
– Sucker Spring Pyrg | |
| Species | Pyrgulopsis sadai Hershler, 1998
– Sada's Pyrg | |
| Species | Pyrgulopsis santaclarensis Hershler, Liu, Forsythe, Hovingh and Wheeler, 2017
– Santa Clara Pyrg | |
| Species | Pyrgulopsis sathos Hershler, 1998
– White River Valley Pyrg | |
| Species | Pyrgulopsis saxatilis Hershler, 1998
– Sub-globose Snake Pyrg | |
| Species | Pyrgulopsis serrata Hershler, 1998
– Northern Steptoe Pyrg | |
| Species | Pyrgulopsis similis Hershler, Ratcliffe, Liu, Lang and Hay, 2014
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| Species | Pyrgulopsis simplex Hershler, 1988
– Fossil Springsnail | |
| Species | Pyrgulopsis sola Hershler, 1988
– Brown Springsnail | |
| Species | Pyrgulopsis stearnsiana (Pilsbry, 1899)
– Yaqui Springsnail | |
| Species | Pyrgulopsis sterilis Hershler, 1998
– Sterile Basin Pyrg | |
| Species | Pyrgulopsis sublata Hershler, 1998
– Lake Valley Pyrg | |
| Species | Pyrgulopsis sulcata Hershler, 1998
– Southern Steptoe Pyrg | |
| Species | Pyrgulopsis taylori Hershler, 1995
– San Luis Obispo Pyrg | |
| Species | Pyrgulopsis texana (Pilsbry, 1935)
– Phantom Cavesnail | |
| Species | Pyrgulopsis thermalis (Taylor, 1987)
– New Mexico Hot Springsnail | |
| Species | Pyrgulopsis thompsoni Hershler, 1988
– Huachuca Springsnail | |
| Species | Pyrgulopsis torrida Hershler, Liu, Babbitt, Kellogg and Howard, 2016
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| Species | Pyrgulopsis transversa Hershler, 1998
– Southern Bonneville Pyrg | |
| Species | Pyrgulopsis trivialis (Taylor, 1987)
– Black River Springsnail | |
| Species | Pyrgulopsis turbatrix Hershler, 1998
– Southeast Nevada Pyrg | |
| Species | Pyrgulopsis umbilicata Hershler, 1998
– Southern Soldier Meadow Pyrg | |
| Species | Pyrgulopsis variegata Hershler, 1998
– Northwest Bonneville Pyrg | |
| Species | Pyrgulopsis varneri Heshler, Liu and Sada, 2007
– Varner's Pyrg | |
| Species | Pyrgulopsis ventricosa Hershler, 1995
– Clear Lake Pyrg | |
| Species | Pyrgulopsis villacampae Hershler, 1998
– Duckwater Warm Springs Pyrg | |
| Species | Pyrgulopsis vinyardi Hershler, 1998
– Vinyards Pyrg | |
| Species | Pyrgulopsis wongi Hershler, 1989
– Wong's Pyrg | |
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