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

Tennessee Cave Crayfish
Orconectes incomptus Hobbs & Barr, 1972

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Decapoda
Family Cambaridae
Genus Orconectes
Species Orconectes incomptus Hobbs & Barr, 1972

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic
Maximum body length
46 mm

Distribution

Type locality

Cherry Cave, Jackson Co. TN

Range

Known from Tennessee in the Interior Low Plateau 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

Interior Low Plateau

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
COI mitochondrial 8 639-705 bp ON380879.1
16S mitochondrial 4 483-483 bp AY853614.1
28S nuclear 4 418-427 bp ON383888.1
12S mitochondrial 1 312-312 bp EF207174.1

17 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.

Download all 17 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype
USNM 130299 · National Museum of Natural History, Smithsonian Institution
Allotype
USNM 130300 · National Museum of Natural History, Smithsonian Institution
Paratype ×4
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 6
North Carolina Museum of Natural Sciences 1
Yale Peabody Museum 1

8 cataloged lots in 3 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 8 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

IUCN Red List

VU Vulnerable D2

EXEWCRENVU▲NTLC

Assessed in 2010.

NatureServe

G2 Imperiled

G1G2▲G3G4G5

Global rank last reviewed 1 July 2009.

Subnational ranks

Tennessee
S1 Critically Imperiled

State and federal status

Not listed under the U.S. Endangered Species Act

Threats

  • Oil & Gas Drilling
  • Pollution -Sewage or Urban Wastewater
  • Pollution - Commercial/Industrial
  • Pollution - Agricultural & Forestry

Other resources

Catalogue of Life
7W5Y5
GBIF
2227085
ITIS
97447
iNaturalist
107775
NCBI Taxonomy
318486

How to cite this account

Orconectes incomptus Hobbs & Barr, 1972. Cave Biology Data Portal, account SP-1176. https://cavebiology.org/species/orconectes-incomptus/ (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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