Haplotaxid Worm
Haplotaxis gordioides (Hartmann in Oken, 1819)

Taxonomy

Kingdom	Animalia
Phylum	Annelida
Class	Clitellata
Order	Haplotaxida
Family	Haplotaxidae
Genus	Haplotaxis
Species	Haplotaxis gordioides (Hartmann in Oken, 1819)

Description

Diagnostic characters

Ecological class: Stygoxene
Realm: Aquatic

Distribution

Range

Known from one county in West Virginia.

Continent

North America

Country

United States

States and provinces

West Virginia

Counties

West Virginia: Greenbrier

Conservation and management

NatureServe

GNR Unranked

National ranks

United States: NNR

Subnational ranks

Idaho: SNR Unranked
Montana: SNR Unranked
Wyoming: SNR Unranked

Ranks looked up 2 July 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.

References

Cook, D.G. 1975. Cave-dwelling aquatic Oligochaeta (Annelida) from the eastern United States. Transactions of the American Microscopical Society 94: 24–37. doi:10.2307/3225529

This account was last revised 6 September 2026. Conservation ranks were looked up 2 July 2026.

How to cite this account

Haplotaxis gordioides (Hartmann in Oken, 1819). Cave Biology Data Portal, account SP-1750. https://cavebiology.org/species/haplotaxis-gordioides/ (accessed 22 October 2026).

Data sources and funding are listed in the Acknowledgments.

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