page_title: List of mollusks of Utah
hierarchical_section_title: List of mollusks of Utah
caption_attribution_description: English: Photo of a right side view of Pupilla muscorum
context_page_description: This is a list of mollusks observed in the U.S. state of Utah.
  Bear Lake springsnail
  Bifid duct pyrg
  Black Canyon pyrg
  Black Gloss
  Brian Head Mountainsnail
  California floater
  Carinate Glenwood pyrg
  Cloaked physa
  Coarse Rams-horn
  Creeping ancylid
  Crestless column
  Cross snaggletooth
  Cross vertigo
  V. m. insculpta
  V. m. corpulenta
  V. m. parietalis
  Deseret mountainsnail
  Desert springsnail
  Desert tryonia
  Eureka mountainsnail
  O. e. eurekensis
  O. e. uinta
  Fat-whorled pondsnail
  Fish Lake physa
  Fish Springs marshsnail
  Freshwater snail
  Freshwater snail
  Glass physa
  Glossy valvata
  Great Basin rams-horn
  Green River pebblesnail
  Hamlin Valley pyrg
  Kanab ambersnail
  Lamb rams-horn
  Lance aplexa
  Land snail
  Longitudinal gland pyrg
  Lyrate mountainsnail
  Mellow column
  Mexican coil
  Mill Creek mountainsnail
  Minute gem
  Mitered vertigo
  Montane snaggletooth
  Mountain marshsnail
  Mud amnicola
  New Zealand mud snail - not native and considered invasive
  Ninemile pyrg
  Northwest Bonneville pyrg
  Oregon floater
  Otter Creek pyrg
  Ovate vertigo
  Prairie fossaria
  Protean physa
  P. v. virgata
  P. v. berendti
  P. v. concolor
  Pygmy fossaria
context_section_description: 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)
caption: Moss chrysalis snail
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