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Subterranean biodiversity of North America and around the globe

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

Tennessee Valley Cave Isopod
Caecidotea richardsonae Hay, 1901

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Asellidae
Genus Caecidotea
Species Caecidotea richardsonae Hay, 1901

Synonyms

Conasellus richardsonae (Hay, 1901)

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Nickajack Cave, Marion Co. TN

Range

Known from four states across three karst regions.

Continent

North America

Country

United States

States and provinces

Alabama, Georgia, Tennessee, Virginia

Counties

County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.

Karst regions

Appalachians, Interior Low Plateau, Other

Specimens

Type material

Type
USNM 25542 · National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 58
Auburn University Museum of Natural History 1

59 cataloged lots in 2 collections. 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 59 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G5 Secure

G1G2G3G4G5▲

Global rank last reviewed 22 September 2010.

Subnational ranks

Alabama
SNR Unranked
Georgia
SNR Unranked
Virginia
S3 Vulnerable
Tennessee
SNR Unranked

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
P7R3
GBIF
2205900
ITIS
92763
iNaturalist
215662

How to cite this account

Caecidotea richardsonae Hay, 1901. Cave Biology Data Portal, account SP-1241. https://cavebiology.org/species/caecidotea-richardsonae/ (accessed 3 September 2026).

Data sources and funding are listed in the Acknowledgments.

Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.

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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