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

Speorthus tuganbius Chamberlin, 1952

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Myriapoda
Class Diplopoda
Order Polydesmida
Family Macrosternodesmidae
Genus Speorthus
Species Speorthus tuganbius Chamberlin, 1952

Synonyms

  • Speodesmus tuganbius (Chamberlin, 1952) (prior combination, CoL)

Description

Diagnostic characters

Ecological class
Troglobiont
Realm
Terrestrial
Troglomorphy
Troglomorphic

Distribution

Range

Known from two counties across two states in the Guadalupe Mountains karst region.

Continent

North America

Country

United States

States and provinces

New Mexico, Texas

Counties

New Mexico
Eddy
Texas
Culberson

Karst regions

Guadalupe Mountains

Conservation and management

NatureServe

G2G3 Imperiled to Vulnerable

G1G2▲G3▲G4G5

Global rank last reviewed 2002.

Subnational ranks

New Mexico
SNR Unranked
Texas
SNR Unranked

State and federal status

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

Other resources

Catalogue of Life
4YJ7Y
GBIF
1020180
iNaturalist
1068943

References

  • Barr, T.C. & Reddell, J.R. 1967. The arthropod cave fauna of the Carlsbad Caverns region, New Mexico. The Southwestern Naturalist 12: 253–273.
  • Causey, N.B. 1960. Speciation in North American cave millipeds. American Midland Naturalist 64: 116–122.
  • Chamberlin, R.V. & Hoffman, R.L. 1958. Checklist of the millipedes of North America. United States National Museum Bulletin 212: 1–236.
  • Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
  • Shear, W.A. 1969. A synopsis of the cave millipedes of the United States, with an illustrated key to genera. Psyche 76: 126–143. doi:10.1155/1969/70437

This account was last revised 28 August 2026.

How to cite this account

Speorthus tuganbius Chamberlin, 1952. Cave Biology Data Portal, account SP-0610. https://cavebiology.org/species/speorthus-tuganbius/ (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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