Phantom cave snail

The phantom cave snail or phantom cavesnail (Pyrgulopsis texana) is a species of very small freshwater snail with an operculum, an aquatic gastropod in the family Hydrobiidae.

Phantom cave snail
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. texana
Binomial name
Pyrgulopsis texana
(Pilsbry, 1935)
Synonyms[2]

Distribution

This species is endemic to the lower Pecos River basin, Texas, the United States.[2]

Genus transfer

When originally described in 1935, the phantom cave snail was assigned to the genus Cochliopa. Following a detailed examination of shell and anatomical characteristics along with genetic sequencing it was transferred to the genus Pyrgulopsis in 2010.[2]

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References
  1. Mollusc Specialist Group 1996. Cochliopa texana. 2006 IUCN Red List of Threatened Species. Downloaded on 6 August 2007.
  2. Hershler R., Liu H.-P. & Lang B. K. (2010). "Transfer of Cochliopa texana to Pyrgulopsis (Hydrobiidae) and description of a third congener from the lower Pecos River basin". Journal of Molluscan Studies 76(3): 245-256. doi:10.1093/mollus/eyq002.

Further reading
  • Dundee D. S. & Dundee H. A. (1969). "Notes Concerning Two Texas Molluscs, Cochliopa texana Pilsbry and Lyrodes cheatumi Pilsbry (Mollusca: Hydrobiidae)". Transactions of the American Microscopical Society 88(2): 205-210. JSTOR
  • Cole G. A. (1976). "A New Amphipod Crustacean, Gammarus hyalelloides n. sp., from Texas". Transactions of the American Microscopical Society 95(1): 80-85. JSTOR.


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