List of mollusks of Utah

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

• Bear Lake springsnail (Pyrgulopsis pilsbryana)^[1]
• Bifid duct pyrg (Pyrgulopsis peculiaris)^[2]
• Black Canyon pyrg (Pyrgulopsis plicata)^[3]
• Black Gloss (Zonitoides nitidus)^[4]
• Brian Head Mountainsnail (Oreohelix parawanensis)^[5]
• California floater (Anodonta californiensis)^[6]
• Carinate Glenwood pyrg (Pyrgulopsis inopinata)^[7]
• Cloaked physa (Physa megalochlamys)^[8]
• Coarse Rams-horn (Planorbella binneyi)^[9]
• Creeping ancylid (Ferrissia rivularis)^[10]
• Crestless column (Pupilla hebes)^[11]
• Cross snaggletooth (Gastrocopta quadridens)^[12]
• Cross vertigo (Vertigo modesta)^[13]
  • V. m. insculpta
  • V. m. corpulenta
  • V. m. parietalis
• Deseret mountainsnail (Oreohelix peripherica)^[14]
• Desert springsnail (Pyrgulopsis deserta)^[15]
• Desert tryonia (Tryonia porrecta)^[16]
• Eureka mountainsnail (Oreohelix eurekensis)^[17]
  • O. e. eurekensis
  • O. e. uinta
• Fat-whorled pondsnail (Stagnicola bonnevillensis)^[18]
• Fish Lake physa (Physella microstriata)^[19]
• Fish Springs marshsnail (Stagnicola pilsbryi)^[20]
• Freshwater snail (Fossaria techella)^[21]
• Freshwater snail (Fossaria modicella rustica)^[22]
• Glass physa (Physa skinneri)^[23]
• Glossy valvata (Valvata humeralis californica)^[24]
• Great Basin rams-horn (Helisoma newberryi)^[25]
• Green River pebblesnail (Fluminicola coloradoensis)^[26]
• Hamlin Valley pyrg (Pyrgulopsis hamlinensis)^[27]
• Kanab ambersnail (Oxyloma kanabense)^[28]
• Lamb rams-horn (Planorbella oregonensis)^[29]
• Lance aplexa (Aplexa elongata)^[30]
• Land snail (Nesovitrea electrina)^[31]
• Longitudinal gland pyrg (Pyrgulopsis anguina)^[32]
• Lyrate mountainsnail (Oreohelix haydeni)^[33]
• Mellow column (Columella columella alticola)^[34]
• Mexican coil (Helicodiscus eigenmanni)^[35]
• Mill Creek mountainsnail (Oreohelix howardi)^[36]
• Minute gem (Hawaiia minuscula minuscula)^[37]
• Mitered vertigo (Vertigo concinnula)^[38]
• Montane snaggletooth (Gastrocopta pilsbryana)^[39]
• Mountain marshsnail (Stagnicola montanensis)^[40]
• Mud amnicola (Amnicola limosus limosus)^[41]
• New Zealand mud snail (Potamopyrgus antipodarum) - not native and considered invasive^[42]
• Ninemile pyrg (Pyrgulopsis nonaria)^[43]
• Northwest Bonneville pyrg (Pyrgulopsis variegata)^[44]
• Oregon floater (Anodonta oregonensis)^[45]
• Otter Creek pyrg (Pyrgulopsis fusca)^[46]
• Ovate vertigo (Vertigo ovata)^[47]
• Prairie fossaria (Fossaria bulimoides)^[48]
• Protean physa (Physella virgata)^[49]
  • P. v. virgata
  • P. v. berendti
  • P. v. concolor
• Pygmy fossaria (Fossaria parva)^[50]
• Quagga mussel (Dreissena bugensis) - considered an invasive species, found in Lake Powell and suspected of being in Deer Creek Reservoir^[51]
• Red-rimmed melania (Melanoides tuberculata) - not native and considered invasive^[42]
• Ribbed dagger (Pupoides hordaceus)^[52]
• Rocky Mountain duskysnail (Lyogyrus greggi)^[53]
• Rustic ambersnail (Succinea rusticana rusticana)^[54]
• Santa Rita ambersnail (Succinea grosvenori grosvenori)^[55]
• Sharp sprite (Promenetus exacuous)^[56]
• Sierra ambersnail (Catinella stretchiana)^[57]
• Slim snaggletooth (Gastrocopta pellucida parvidens)^[58]
• Sluice snaggletooth (Gastrocopta ashmuni)^[59]
• Smooth Glenwood pyrg (Pyrgulopsis chamberlini)^[60]
• Southern Bonneville pyrg (Pyrgulopsis transversa)^[61]
• Southern tightcoil (Ogaridiscus subrupicola)^[62]
• Striate disc (Discus shimekii)^[63]
• Striate gem (Hawaiia minuscula neomexicana)^[64]
• Sub-globose snake pyrg (Pyrgulopsis saxatilis)^[65]
• Swamp lymnaea (Lymnaea stagnalis appressa)^[66]
• Tapered vertigo (Vertigo elatior)^[67]
• Texas glyph (Glyphyalinia umbilicata)^[68]
• Thickshell pondsnail (Stagnicola utahensis)^[69]
• Thin-lip vallonia (Vallonia perspectiva)^[70]
• Utah physa (Physella utahensis)^[71]
• Utah roundmouth snail (Valvata utahensis)^[72]
• Variable vertigo (Vertigo gouldii)^[73]
• Western pearlshell (Margaritifera falcata)^[74]
• Wet rock physa (Physella zionis)^[75]
• White-lip dagger (Pupoides albilabris)^[76]
• Widelip pondsnail (Stagnicola traski)^[77]
• Widespread column (or Moss chrysalis snail) (Pupilla muscorum)^[78]
• Winged floater (Anodonta nuttalliana)^[79]
• Yavapai mountainsnail (Oreohelix yavapai)^[80]