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

Norton's Cave Isopod
Caecidotea nortoni (Steeves, 1966)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Asellidae
Genus Caecidotea
Species Caecidotea nortoni (Steeves, 1966)

Synonyms

Asellus nortoni Steeves, 1966
Conasellus nortoni (Steeves, 1966)

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Cedar Creek Cave, Green Co. TN

Range

Known from Tennessee in the Appalachians karst region.

Continent

North America

Country

United States

States and provinces

Tennessee

Counties

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

Karst regions

Appalachians

Specimens

Type material

Holotype
USNM 171234 · National Museum of Natural History, Smithsonian Institution
Paratype
USNM 171235 · National Museum of Natural History, Smithsonian Institution
Type
USNM 239031 · National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 6

6 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 6 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G2G3 Imperiled to Vulnerable

G1G2▲G3▲G4G5

Global rank last reviewed 21 August 2002.

Subnational ranks

Tennessee
S1S2 Critically Imperiled to Imperiled

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
P7QN
GBIF
2205798
ITIS
92753
iNaturalist
215651

How to cite this account

Caecidotea nortoni (Steeves, 1966). Cave Biology Data Portal, account SP-1234. https://cavebiology.org/species/caecidotea-nortoni/ (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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