# Potamilus amphichaenus

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Species of bivalve

Potamilus amphichaenus Conservation status Endangered (IUCN 2.3)[1] Imperiled (NatureServe)[2] Scientific classification Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Order: Unionida Family: Unionidae Genus: Potamilus Species: P. amphichaenus Binomial name Potamilus amphichaenus (Frierson, 1898)

***Potamilus amphichaenus***, the **Texas heelsplitter**, is a [species](/source/Species) of [freshwater mussel](/source/Freshwater_mussel), an [aquatic](/source/Aquatic_animal) [bivalve](/source/Bivalve) [mollusk](/source/Mollusk) in the family [Unionidae](/source/Unionidae), the river mussels. [Freshwater drum](/source/Freshwater_Drum) (*Aplodinotus grunniens*) were confirmed as the host fish species for the [glochidia](/source/Glochidia) reproductive stage of the Texas heelsplitter.[3]

This species is [endemic](/source/Endemism) to the [United States](/source/United_States).

## See also

- [U.S. Fish & Wildlife Service, Texas Heelsplitter](https://www.fws.gov/species/texas-heelsplitter-potamilus-amphichaenus)

- [U.S. Fish & Wildlife Service, ECOS Environmental Conservation Online System, Texas heelsplitter (*Potamilus amphichaenus*)](https://ecos.fws.gov/ecp/species/299)

## References

1. **[^](#cite_ref-iucn_status_15_November_2021_1-0)** Bogan, A.E. (1996). ["*Potamilus amphichaenus*"](https://www.iucnredlist.org/species/18094/7655762). *[IUCN Red List of Threatened Species](/source/IUCN_Red_List)*. **1996** e.T18094A7655762. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.1996.RLTS.T18094A7655762.en](https://doi.org/10.2305%2FIUCN.UK.1996.RLTS.T18094A7655762.en). Retrieved 15 November 2021.

1. **[^](#cite_ref-NS_2-0)** [NatureServe](/source/NatureServe). ["*Potamilus amphichaenus*"](https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.115372/). *NatureServe Explorer*. Arlington, Virginia. Retrieved 30 December 2025.

1. **[^](#cite_ref-3)** Bosman, Ben; Christie, Barrett; Kahn, Jennifer M.; Hart, Michael; Randklev, Charles (Dec 2015). ["Host confirmed for *Potamilus amphichaenus* and *Potamilus metnecktayi*"](https://www.researchgate.net/publication/285581533). *Ellipsaria*. **17** (4): 15. Retrieved 25 Apr 2023.

Taxon identifiers Potamilus amphichaenus Wikidata: Q3017227 BOLD: 33349 CoL: 4M3D3 EoL: 449459 GBIF: 2287992 iNaturalist: 110198 IRMNG: 10245650 ITIS: 80286 IUCN: 18094 NatureServe: 2.115372 NCBI: 81574 Open Tree of Life: 732224 WoRMS: 857377

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