Transverse grand pyrg

The transverse grand pyrg, scientific name Pyrgulopsis cruciglans, is a species of very small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.

Transverse grand pyrg
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda

clade Hypsogastropoda

clade Littorinimorpha
Superfamily:
Rissooidea
Family:
Hydrobiidae
Subfamily:
Nymphophilinae
Genus:
Pyrgulopsis
Species:
P. cruciglans
Binomial name
Pyrgulopsis cruciglans
Hershler, 1998

References
  1. Mollusc Specialist Group (2000). "Pyrgulopsis cruciglans". IUCN Red List of Threatened Species. 2000: e.T40106A10314222. doi:10.2305/IUCN.UK.2000.RLTS.T40106A10314222.en. Retrieved 15 November 2021.


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