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. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.


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