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

Clough Cave Harvestman
Calicina cloughensis (Briggs & Hom, 1967)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
Order Opiliones
Family Phalangodidae
Genus Calicina
Species Calicina cloughensis (Briggs & Hom, 1967)

Synonyms

  • Sitalcina cloughensis Briggs & Hom, 1967 (prior combination, CoL)

Description

Diagnostic characters

Ecological class
Troglobiont
Realm
Terrestrial
Troglomorphy
Troglomorphic

Distribution

Range

Known from one county in California in the Other karst region.

Continent

North America

Country

United States

States and provinces

California

Counties

California
Tulare

Karst regions

Other

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
other unknown 5 464-686 bp KU666824.1
28S nuclear 1 626-626 bp KU666586.1
COI mitochondrial 1 653-653 bp KU164910.1

7 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.

Download all 7 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype
CASTYPE9400 · California Academy of Sciences
Allotype
CASENT8483678 · California Academy of Sciences

Collections holding material

InstitutionLots
California Academy of Sciences 4
San Diego State University 1

5 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 5 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G1 Critically Imperiled

G1▲G2G3G4G5

Global rank last reviewed 10 March 2022.

Subnational ranks

California
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
7RS9S
GBIF
6902955
ITIS
1013971
iNaturalist
56376
NCBI Taxonomy
1804044

References

  • Goodnight, C.J. & Goodnight, M.L. 1981. Evolution of hypogean species of opilionids of North and Middle America. Proceedings of the 8th International Congress of Speleology. Volume 1: 9–10.

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

How to cite this account

Calicina cloughensis (Briggs & Hom, 1967). Cave Biology Data Portal, account SP-0186. https://cavebiology.org/species/calicina-cloughensis/ (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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