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Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaArthropodaCrustaceaMalacostracaIsopodaTrichoniscidaeAmerigoniscus

Powell Valley Terrestrial Cave Isopod
Amerigoniscus henroti Vandel, 1950

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Trichoniscidae
Genus Amerigoniscus
Species Amerigoniscus henroti Vandel, 1950

Synonyms

  • Caucasonethes henroti (Vandel, 1950) (prior combination, CoL)

Description

Diagnostic characters

Ecological class
Troglobiont
Realm
Terrestrial
Troglomorphy
Troglomorphic

Distribution

Type locality

Gilley Cave, Lee Co. VA

Range

Known from two counties in Virginia in the Appalachians karst region.

Continent

North America

Country

United States

States and provinces

Virginia

Counties

Virginia
Lee, Wise

Karst regions

Appalachians

Specimens

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 10

10 cataloged lots in 1 collection. Compiled from GBIF and not an exhaustive census: many collections are not yet digitised, and holdings are added continually. Search GBIF for specimen records.

Download all 10 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G3 Vulnerable

G1G2G3▲G4G5

Global rank last reviewed 8 January 2023.

Subnational ranks

Virginia
S1S2 Critically Imperiled to Imperiled

Ranks looked up 23 August 2026. Conservation status changes, and a rank here is as current as that date and no more.

State and federal status

Not listed under the U.S. Endangered Species Act.

Other resources

Catalogue of Life
CRB8
GBIF
2208013
ITIS
594157
iNaturalist
213393

References

  • Muchmore, W.B. 1970. A new troglobitic trichoniscid isopod of the genus Caucasonethes. Journal of the Tennessee Academy of Science 45: 27–28. https://tennacadsci.org/~tasc/docs/JTAS45–1-27.pdf. details
  • Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
  • Vandel, A. 1950. Isopodes terrestres recueillis par C. Bolivar et R. Jeannel (1928) et le Dr. Henrot (1946). Archives de Zoologie Experimentale et Generale 87: 183–210.
  • Vandel, A. 1953. A new terrestrial isopod from Oregon, Caucasonethes rothi n. sp. Pacific Science 7: 175–178. https://scholarspace.manoa.hawaii.edu/bitstreams/4bbc9bc7–05ca-477e-abc9–348daabcc5f6/download. details
  • Vandel, A. 1965. Les Trichoniscidae cavernicoles (Isopoda Terrestria; Crustacea) de l'Amérique du Nord. Annales de Speleologie 20: 347–389.
  • Vandel, A. 1978. Les especes appartenant au genre Amerigoniscus Vandel 1950 (Crustaces, Isopodes, Oniscoides). Bulletin de la Société d'Histoire Naturelle de Toulouse 113: 303–310.

This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.

How to cite this account

Amerigoniscus henroti Vandel, 1950. Cave Biology Data Portal, account SP-1306. https://cavebiology.org/species/amerigoniscus-henroti/ (accessed 18 October 2026).
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Data sources and funding are listed in the Acknowledgments.

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Cave Biology Data Portal

Species accounts, distributions, and conservation status for the subterranean fauna of North America and around the globe, with resources for the cave and karst research community.

Text and data CC BY 4.0. Images all rights reserved unless stated.

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