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

North American Cavernicolous Harvestman
Sabacon cavicolens (Packard, 1884)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
Order Opiliones
Family Sabaconidae
Genus Sabacon
Species Sabacon cavicolens (Packard, 1884)

Description

Diagnostic characters

Ecological class
Troglophile
Realm
Terrestrial

Distribution

Range

Known from 10 counties across seven states.

Continent

North America

Country

United States

States and provinces

Alabama, Arkansas, Georgia, Illinois, Kentucky, Montana, Tennessee

Counties

Alabama
Madison
Arkansas
Stone, Washington
Georgia
Walker
Illinois
Johnson, Monroe
Kentucky
Carter, Jackson
Montana
Madison
Tennessee
Blount

Conservation and management

NatureServe

GNR Unranked

G1G2G3G4G5

National ranks

Canada
NU
United States
NNR

Subnational ranks

Ontario
SU Unrankable
New Brunswick
SU Unrankable
Indiana
SNR Unranked

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • Crosby, C.R. & Bishop, S.C. 1924. Notes on the Opiliones of the southeastern United States with descriptions of new species. Journal of the Elisha Mitchell Scientific Society 40: 8–26.
  • Harker, D.F., Jr. & Barr, T.C., Jr. 1979. Caves and associated fauna of Eastern Kentucky, Volume 3. Kentucky Nature Preserves Commission, Frankfurt, Kentucky, USA. 130 pp.
  • Lewis, J.J., Moss, P., Tecic, D. & Nelson, M.E. 2003. A conservation focused inventory of subterranean invertebrates of the southwestern Illinois karst. Journal of Cave and Karst Studies 65: 9–21.
  • McDaniel, V.R., Paige, K.N. & Tumlison, C.R. 1979. Cave fauna of Arkansas: additional invertebrate and vertebrate records. Journal of the Arkansas Academy of Science 33: 84–85. https://scholarworks.uark.edu/jaas/vol33/iss1/35.
  • Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
  • Peck, S.B. & Peck, J.H. 1982. Invertebrate fauna of Devils Den, a sandstone cave in northwestern Arkansas. Journal of the Arkansas Academy of Science 36: 46–48.
  • 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
  • Peck, S.B. 1989. The cave fauna of Alabama. Part I. The terrestrial invertebrates (excluding insects). National Speleological Society Bulletin 51: 11–33.
  • Reeves, W.K., Jensen, J.B. & Ozier, J.C. 2000. New faunal and fungal records from caves in Georgia, USA. Journal of Cave and Karst Studies 62: 169–179. https://caves.org/wp-content/uploads/Publications/JCKS/v62/v62n3-Reeves.pdf.
  • Reeves, W.K. 2000. Invertebrate cavernicoles of the Great Smoky Mountains National Park, USA. Journal of the Elisha Mitchell Scientific Society 116: 334–343. https://www.jstor.org/stable/24335885.
  • Shear, W.A. 1975. The opilionid genera Sabacon and Tomicomerus in America (Opiliones, Trogulidae, Ischyropsalidae). Journal of Arachnology 3: 5–29. https://www.jstor.org/stable/3705252.
  • Shear, W.A. 2010. Hesperonemastoma smilax, n. sp., a remarkable new harvestman from a cave in West Virginia, with comments on other reported cave-dwelling Hesperonemastoma species (Opiliones, Ischyropsalidoidea, Sabaconidae). Journal of Cave and Karst Studies 72: 105–110.

How to cite this account

Sabacon cavicolens (Packard, 1884). Cave Biology Data Portal, account SP-2029. https://cavebiology.org/species/sabacon-cavicolens/ (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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