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

Salmasellus steganothrix Bowman, 1975

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Asellidae
Genus Salmasellus
Species Salmasellus steganothrix Bowman, 1975

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Castleguard Cave, Banff National Park, Alberta, Canada

Range

Known from two counties across two states in the Other karst region.

Continent

North America

Countries

Canada, United States

States and provinces

Alberta, Montana

Counties

Alberta
County
Montana
Flathead

Karst regions

Other

Specimens

Type material

Holotype
USNM 152771 · National Museum of Natural History, Smithsonian Institution
Paratype
USNM 152772 · National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
Canadian Museum of Nature 9
National Museum of Natural History, Smithsonian Institution 6

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

Conservation and management

NatureServe

G2 Imperiled

G1G2▲G3G4G5

Global rank last reviewed 13 April 2023.

Subnational ranks

Montana
S1S2 Critically Imperiled to Imperiled
Alberta
S1 Critically Imperiled

Ranks looked up 23 August 2026. Conservation status changes, and a rank here is as current as that date and no more.

State and federal status

Not listed under the U.S. Endangered Species Act.

Other resources

Catalogue of Life
79D87
GBIF
2205753
ITIS
92786
iNaturalist
230373

References

  • Lewis, J.J. & Bowman, T.E. 1981. The subterranean asellids (Caecidotea) of Illinois (Crustacea: Isopoda: Asellidae). Smithsonian Contributions to Zoology 335: 1–66. doi:10.5479/si.00810282.335
  • Peck, S.B. 1988. A review of the cave fauna of Canada, and the composition and ecology of the invertebrate fauna of caves and mines in Ontario. Canadian Journal of Zoology 66: 1197–1213. doi:10.1139/z88-176

This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.

How to cite this account

Salmasellus steganothrix Bowman, 1975. Cave Biology Data Portal, account SP-1287. https://cavebiology.org/species/salmasellus-steganothrix/ (accessed 18 October 2026).
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Data sources and funding are listed in the Acknowledgments.

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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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