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

Holsinger's Cave Isopod
Pseudobaicalasellus holsingeri (Steeves, 1963)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Asellidae
Genus Pseudobaicalasellus
Species Pseudobaicalasellus holsingeri (Steeves, 1963)

Synonyms

Asellus holsingeri Steeves, 1963
Conasellus holsingeri (Steeves, 1963)
Caecidotea holsingeri (Steeves, 1963)

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Organ Cave, Greenbrier Co. WV

Range

Known from three states in the Appalachians karst region.

Continent

North America

Country

United States

States and provinces

Maryland, Virginia, West Virginia

Counties

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

Karst regions

Appalachians

Conservation and management

NatureServe

G5 Secure

G1G2G3G4G5▲

Global rank last reviewed 21 August 2002.

Subnational ranks

Maryland
S1 Critically Imperiled
Virginia
S3 Vulnerable
West Virginia
S3 Vulnerable

State and federal status

Not listed under the U.S. Endangered Species Act

Threats

  • Recreational/Commerical Cave Activities
  • Pollution -Sewage or Urban Wastewater
  • Pollution - Commercial/Industrial
  • Pollution - Agricultural & Forestry

Other resources

Catalogue of Life
CTKQQ
GBIF
4303943
iNaturalist
1664141

How to cite this account

Pseudobaicalasellus holsingeri (Steeves, 1963). Cave Biology Data Portal, account SP-1280. https://cavebiology.org/species/pseudobaicalasellus-holsingeri/ (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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