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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

Fustis Cave Isopod
Caecidotea fustis Lewis, 1981

Taxonomy

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

Description

Diagnostic characters

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

Distribution

Type locality

Drip pools in Meramec Caverns, Franklin Co., MO

Range

Known from Missouri in the Ozarks karst region.

Continent

North America

Country

United States

States and provinces

Missouri

Counties

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

Karst regions

Ozarks

Specimens

Type material

Holotype
USNM 181301 · National Museum of Natural History, Smithsonian Institution
Paratype
USNM 181302 · National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 15

15 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 15 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G3 Vulnerable

G1G2G3▲G4G5

Global rank last reviewed 11 December 2022.

Subnational ranks

Missouri
S2 Imperiled

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
P7PX
GBIF
2205838
ITIS
92739
iNaturalist
1664298

How to cite this account

Caecidotea fustis Lewis, 1981. Cave Biology Data Portal, account SP-1223. https://cavebiology.org/species/caecidotea-fustis/ (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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