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

Bone Cave Harvestman
Texella reyesi Ubick & Briggs, 1992

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
Order Opiliones
Family Phalangodidae
Genus Texella
Species Texella reyesi Ubick & Briggs, 1992

Description

Diagnostic characters

Ecological class
Troglobiont
Realm
Terrestrial
Troglomorphy
Troglomorphic

Distribution

Range

Known from two counties in Texas in the Edwards Plateau and Balcones karst region.

Continent

North America

Country

United States

States and provinces

Texas

Counties

Texas
Travis, Williamson

Karst regions

Edwards Plateau and Balcones

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
COI mitochondrial 2 936-996 bp EU162816.1
28S nuclear 1 1147-1147 bp GQ205656.1

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

Download all 3 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype
CASTYPE18042 · California Academy of Sciences
Paratype ×35
University of Texas, Biodiversity Center, Entomology Collection

Collections holding material

InstitutionLots
University of Texas, Biodiversity Center, Entomology Collection 205
Museum of Texas Tech University 4
California Academy of Sciences 1

210 cataloged lots in 3 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 210 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G2G3 Imperiled to Vulnerable

G1G2▲G3▲G4G5

Global rank last reviewed 21 August 2002.

Subnational ranks

Texas
S2 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

Endangered under the U.S. Endangered Species Act, listed in 1988.

Federal: Endangered

Other resources

Catalogue of Life
7X2DK
GBIF
6908601
ITIS
1014178
iNaturalist
232448
NCBI Taxonomy
476026

References

  • Hedin, M. & Thomas, S.M. 2010. Molecular systematics of eastern North American Phalangodidae (Arachnida: Opiliones: Laniatores), demonstrating convergent morphological evolution in caves. Molecular Phylogenetics and Evolution 54: 107–121. doi:10.1016/j.ympev.2009.08.020

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

How to cite this account

Texella reyesi Ubick & Briggs, 1992. Cave Biology Data Portal, account SP-0196. https://cavebiology.org/species/texella-reyesi/ (accessed 18 October 2026).
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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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