# Phantom cave snail

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Species of gastropod

Phantom cave snail Conservation status Vulnerable (IUCN 3.1)[1] Endangered (ESA)[2] Scientific classification Kingdom: Animalia Phylum: Mollusca Class: Gastropoda Subclass: Caenogastropoda Order: Littorinimorpha Family: Hydrobiidae Genus: Pyrgulopsis Species: P. texana Binomial name Pyrgulopsis texana (Pilsbry, 1935) Synonyms[3] Cochliopa texana Pilsbry, 1935

The **phantom cave snail** or **phantom cavesnail** (*Pyrgulopsis texana*) is a species of very small [freshwater snail](/source/Freshwater_snail) with an [operculum](/source/Operculum_(gastropod)), an [aquatic](/source/Aquatic_animal) [gastropod](/source/Gastropod) in the family [Hydrobiidae](/source/Hydrobiidae).

## Distribution

This species is [endemic](/source/Endemism) to the lower [Pecos River](/source/Pecos_River) basin, Texas, the [United States](/source/List_of_non-marine_molluscs_of_the_United_States).[3]

## 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.[3]

## References

1. **[^](#cite_ref-1)** Mollusc Specialist Group (1996). ["*Cochliopa texana*"](https://www.iucnredlist.org/species/5048/11110896). *[IUCN Red List of Threatened Species](/source/IUCN_Red_List)*. **1996** e.T5048A11110896. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.1996.RLTS.T5048A11110896.en](https://doi.org/10.2305%2FIUCN.UK.1996.RLTS.T5048A11110896.en). Retrieved 6 August 2007.

1. **[^](#cite_ref-2)** ["Phantom Springsnail (*Pyrgulopsis texana*)"](https://ecos.fws.gov/ecp/species/465). *Environmental Conservation Online System*. U.S. Fish & Wildlife Service. Retrieved 20 January 2025.

1. ^ [***a***](#cite_ref-Hershler_2010_3-0) [***b***](#cite_ref-Hershler_2010_3-1) [***c***](#cite_ref-Hershler_2010_3-2) 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](/source/Doi_(identifier)):[10.1093/mollus/eyq002](https://doi.org/10.1093%2Fmollus%2Feyq002).

## 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](https://www.jstor.org/stable/3224493)

- 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](https://www.jstor.org/stable/3225355).

## External links

- [http://ecos.fws.gov/speciesProfile/profile/speciesProfile.action?spcode=G00X](https://ecos.fws.gov/speciesProfile/profile/speciesProfile.action?spcode=G00X)

- [http://www.panda.org/about_our_earth/ecoregions/chihuahuan_freshwater.cfm](http://www.panda.org/about_our_earth/ecoregions/chihuahuan_freshwater.cfm) [Archived](https://web.archive.org/web/20100406202330/http://www.panda.org/about_our_earth/ecoregions/chihuahuan_freshwater.cfm) 2010-04-06 at the [Wayback Machine](/source/Wayback_Machine)

Taxon identifiers Cochliopa texana Wikidata: Q22062009 BOLD: 302870 CoL: 7QQVF GBIF: 2300162 iNaturalist: 98129 IRMNG: 11348483 ITIS: 70620 WoRMS: 1349712

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Adapted from the Wikipedia article [Phantom cave snail](https://en.wikipedia.org/wiki/Phantom_cave_snail) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Phantom_cave_snail?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.