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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

Beatty's Groundwater Isopod
Caecidotea beattyi Lewis & Bowman, 1981

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Asellidae
Genus Caecidotea
Species Caecidotea beattyi Lewis & Bowman, 1981

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Dixon Springs State Park, Pope Co. IL

Range

Known from three states across two karst regions.

Continent

North America

Country

United States

States and provinces

Illinois, Indiana, Missouri

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, Other

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
28S nuclear 7 394-750 bp OR505654.1
COI mitochondrial 3 670-786 bp OR291936.1
other unknown 3 625-733 bp OR341823.1

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

Download all 13 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype
USNM 172789 · National Museum of Natural History, Smithsonian Institution
Paratype ×2
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 12
Illinois Natural History Survey 4

16 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 16 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G3G4 Vulnerable to Apparently Secure

G1G2G3▲G4▲G5

Global rank last reviewed 21 August 2002.

Subnational ranks

Illinois
SNR Unranked
Indiana
S1 Critically Imperiled
Missouri
SNR Unranked

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
P7P9
GBIF
2205806
ITIS
92723
iNaturalist
215624
NCBI Taxonomy
3059443

How to cite this account

Caecidotea beattyi Lewis & Bowman, 1981. Cave Biology Data Portal, account SP-1206. https://cavebiology.org/species/caecidotea-beattyi/ (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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