Rabbitsfoot

The rabbitsfoot (Theliderma cylindrica) is a species of freshwater mussel. It is an aquatic bivalve mollusk, in the family Unionidae, the river mussels.

For the amulet, see Rabbit's foot.

Rabbitsfoot
Museum specimen

Vulnerable  (NatureServe)[2]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Theliderma
Species:
T. cylindrica
Binomial name
Theliderma cylindrica
(Say, 1817)
Synonyms[3]
List
  • Quadrula cylindrica (Say, 1817)
  • Quadrula cylindrica subsp. cylindrica (Say, 1817)
  • Quadrula cylindrica subsp. strigillata (B.H. Wright, 1898)
  • Unio cylindricus Say, 1817
  • Unio naviformis Lamarck, 1819
  • Unio solenoides Rafinesque, 1820
  • Unio solenoides subsp. nodosa Rafinesque, 1820
  • Unio solenoides subsp. interrupta Rafinesque, 1820
  • Unio cylindricus subsp. strigillatus B.H. Wright, 1898
  • Unio cilindricus subsp. propetipicus de Gregorio, 1914
  • Unio cilindricus subsp. acrispatus de Gregorio, 1914

This species is native to the United States, where it is widespread in the drainages of the Ohio River and the Great Lakes. It has disappeared from over half its historic range.[2]

Subspecies
Theliderma cylindrica cylindrica
Theliderma cylindrica strigillata

Two subspecies have been described. It is unclear whether they represent distinct evolutionary lineages, or are merely ecophenotypic variation which would not warrant any taxonomic status. A 2007 genetic study has cast doubt upon the validity of the existence of two subspecies.

  • Theliderma cylindrica cylindrica (Say, 1817) —
  • Theliderma cylindrica strigillata (Wright, 1898) — Rough rabbitsfoot, found only in the headwaters of the Tennessee River.

Conservation

Quadrula cylindrica cylindrica has been listed as an Endangered Species Act (ESA) threatened species of the United States since 2013.[4][5] Quadrula cylindrica strigillata has been listed as an ESA endangered species since 1997.[6][7]

See also

References
  1. Bogan, A. & Cordeiro, J. (2012). "Quadrula cylindrica". IUCN Red List of Threatened Species. 2012: e.T189689A13294141. doi:10.2305/IUCN.UK.2012.RLTS.T189689A13294141.en. Retrieved 27 September 2023.
  2. NatureServe (1 September 2023). "Theliderma cylindrica". NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer. Arlington, Virginia: NatureServe. Retrieved 27 September 2023.
  3. "Theliderma cylindrica (Say, 1817)". Integrated Taxonomic Information System. Retrieved 27 September 2023.
  4. "Rabbitsfoot (Quadrula cylindrica cylindrica)". Environmental Conservation Online System. U.S. Fish & Wildlife Service. Retrieved 27 September 2023.
  5. 78 FR 57076
  6. "Rough rabbitsfoot (Quadrula cylindrica strigillata)". Environmental Conservation Online System. U.S. Fish & Wildlife Service. Retrieved 27 September 2023.
  7. 62 FR 1647
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