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

Small Alabama Sowbug
Miktoniscus medcofi Van Name, 1940

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Trichoniscidae
Genus Miktoniscus
Species Miktoniscus medcofi Van Name, 1940

Description

Diagnostic characters

Ecological class
Troglophile
Realm
Terrestrial

Distribution

Range

Known from 13 counties across seven states.

Continent

North America

Country

United States

States and provinces

Alabama, Florida, Illinois, North Carolina, Tennessee, Virginia, West Virginia

Counties

Alabama
Jackson, Madison, Marshall, Morgan
Florida
Jackson
Illinois
Hardin
North Carolina
McDowell
Tennessee
DeKalb, Franklin, Smith
Virginia
Alleghany, Rockbridge
West Virginia
Greenbrier

Conservation and management

NatureServe

GNR Unranked

G1G2G3G4G5

National ranks

United States
NNR

Subnational ranks

Tennessee
SNR Unranked
North Carolina
S1 Critically Imperiled
Alabama
SNR Unranked

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • Cooper, J.E. 1975. Ecological and behavioral studies in Shelta Cave, Alabama, with emphasis on decapod crustaceans. University of Kentucky, Lexington, Kentucky, USA. 364 pp.
  • Franz, R., Bauer, J. & Morris, T. 1994. Review of biologically significant caves and their faunas in Florida and south Georgia. Brimleyana 20: 1–109. https://www.biodiversitylibrary.org/part/229726.
  • Godwin, J.C. 2008. Biological inventory of the cave and karst systems of The Nature Conservancy's Sharp-Bingham Mountain Preserve. Alabama Natural Heritage Program, Auburn, Alabama, USA. 40 pp.
  • Lewis, J.J. 2005. A biological inventory of caves of the Cumberland Plateau. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 156 pp.
  • Lewis, J.J. & Lewis, S.L. 2005. Inventory of the subterranean fauna of Tims Ford State Park, Franklin County, Tennessee. Tennesee Natural Heritage Program, Nashville, Tennessee, USA. 28 pp.
  • Peck, S.B. 1970. The terrestrial arthropod fauna of Florida caves. The Florida Entomologist 53: 203–207. doi:10.2307/3493189
  • Peck, S.B. & Lewis, J.J. 1978. Zoogeography and evolution of the subterranean invertebrate faunas of Illinois and southeastern Missouri. National Speleological Society Bulletin 40: 39–63.
  • Peck, S.B. 1989. The cave fauna of Alabama. Part I. The terrestrial invertebrates (excluding insects). National Speleological Society Bulletin 51: 11–33.
  • Schultz, G.A. 1964. Two additional data on terrestrial isopod crustaceans: Ligidium blueridgensis, sp. nov., from Georgia and a North Carolina cave location for Miktoniscus linearis (Patience, 1908). Journal of the Elisha Mitchell Scientific Society 80: 90–94.
  • Vandel, A. 1965. Les Trichoniscidae cavernicoles (Isopoda Terrestria; Crustacea) de l'Amérique du Nord. Annales de Speleologie 20: 347–389.

How to cite this account

Miktoniscus medcofi Van Name, 1940. Cave Biology Data Portal, account SP-1838. https://cavebiology.org/species/miktoniscus-medcofi/ (accessed 7 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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