List of mollusks of Utah

This is a list of mollusks observed in the U.S. state of Utah.


 * Bear Lake springsnail (Pyrgulopsis pilsbryana)
 * Bifid duct pyrg (Pyrgulopsis peculiaris)
 * Black Canyon pyrg (Pyrgulopsis plicata)
 * Black Gloss (Zonitoides nitidus)
 * Brian Head Mountainsnail (Oreohelix parawanensis)
 * California floater (Anodonta californiensis)
 * Carinate Glenwood pyrg (Pyrgulopsis inopinata)
 * Cloaked physa (Physa megalochlamys)
 * Coarse Rams-horn (Planorbella binneyi)
 * Creeping ancylid (Ferrissia rivularis)
 * Crestless column (Pupilla hebes)
 * Cross snaggletooth (Gastrocopta quadridens)
 * Cross vertigo (Vertigo modesta)
 * V. m. insculpta
 * V. m. corpulenta
 * V. m. parietalis
 * Deseret mountainsnail (Oreohelix peripherica)
 * Desert springsnail (Pyrgulopsis deserta)
 * Desert tryonia (Tryonia porrecta)
 * Eureka mountainsnail (Oreohelix eurekensis)
 * O. e. eurekensis
 * O. e. uinta
 * Fat-whorled pondsnail (Stagnicola bonnevillensis)
 * Fish Lake physa (Physella microstriata)
 * Fish Springs marshsnail (Stagnicola pilsbryi)
 * Freshwater snail (Fossaria techella)
 * Freshwater snail (Fossaria modicella rustica)
 * Glass physa (Physa skinneri)
 * Glossy valvata (Valvata humeralis californica)
 * Great Basin rams-horn (Helisoma newberryi)
 * Green River pebblesnail (Fluminicola coloradoensis)
 * Hamlin Valley pyrg (Pyrgulopsis hamlinensis)
 * Kanab ambersnail (Oxyloma kanabense)
 * Lamb rams-horn (Planorbella oregonensis)
 * Lance aplexa (Aplexa elongata)
 * Land snail (Nesovitrea electrina)
 * Longitudinal gland pyrg (Pyrgulopsis anguina)
 * Lyrate mountainsnail (Oreohelix haydeni)
 * Mellow column (Columella columella alticola)
 * Mexican coil (Helicodiscus eigenmanni)
 * Mill Creek mountainsnail (Oreohelix howardi)
 * Minute gem (Hawaiia minuscula minuscula)
 * Mitered vertigo (Vertigo concinnula)
 * Montane snaggletooth (Gastrocopta pilsbryana)
 * Mountain marshsnail (Stagnicola montanensis)
 * Mud amnicola (Amnicola limosus limosus)
 * New Zealand mud snail (Potamopyrgus antipodarum) - not native and considered invasive
 * Ninemile pyrg (Pyrgulopsis nonaria)
 * Northwest Bonneville pyrg (Pyrgulopsis variegata)
 * Oregon floater (Anodonta oregonensis)
 * Otter Creek pyrg (Pyrgulopsis fusca)
 * Ovate vertigo (Vertigo ovata)
 * Prairie fossaria (Fossaria bulimoides)
 * Protean physa (Physella virgata)
 * P. v. virgata
 * P. v. berendti
 * P. v. concolor
 * Pygmy fossaria (Fossaria parva)
 * Quagga mussel (Dreissena bugensis) - considered an invasive species, found in Lake Powell and suspected of being in Deer Creek Reservoir
 * Red-rimmed melania (Melanoides tuberculata) - not native and considered invasive
 * Ribbed dagger (Pupoides hordaceus)
 * Rocky Mountain duskysnail (Lyogyrus greggi)
 * Rustic ambersnail (Succinea rusticana rusticana)
 * Santa Rita ambersnail (Succinea grosvenori grosvenori)
 * Sharp sprite (Promenetus exacuous)
 * Sierra ambersnail (Catinella stretchiana)
 * Slim snaggletooth (Gastrocopta pellucida parvidens)
 * Sluice snaggletooth (Gastrocopta ashmuni)
 * Smooth Glenwood pyrg (Pyrgulopsis chamberlini)
 * Southern Bonneville pyrg (Pyrgulopsis transversa)
 * Southern tightcoil (Ogaridiscus subrupicola)
 * Striate disc (Discus shimekii)
 * Striate gem (Hawaiia minuscula neomexicana)
 * Sub-globose snake pyrg (Pyrgulopsis saxatilis)
 * Swamp lymnaea (Lymnaea stagnalis appressa)
 * Tapered vertigo (Vertigo elatior)
 * Texas glyph (Glyphyalinia umbilicata)
 * Thickshell pondsnail (Stagnicola utahensis)
 * Thin-lip vallonia (Vallonia perspectiva)
 * Utah physa (Physella utahensis)
 * Utah roundmouth snail (Valvata utahensis)
 * Variable vertigo (Vertigo gouldii)
 * Western pearlshell (Margaritifera falcata)
 * Wet rock physa (Physella zionis)
 * White-lip dagger (Pupoides albilabris)
 * Widelip pondsnail (Stagnicola traski)
 * Widespread column (or Moss chrysalis snail) (Pupilla muscorum)
 * Winged floater (Anodonta nuttalliana)
 * Yavapai mountainsnail (Oreohelix yavapai)