Speodesmus bicornourus Causey, 1959
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Myriapoda |
| Class | Diplopoda |
| Order | Polydesmida |
| Family | Polydesmidae |
| Genus | Speodesmus |
| Species | Speodesmus bicornourus Causey, 1959 |
Description
Diagnostic characters
- Ecological class
- Troglobiont
- Realm
- Terrestrial
- Troglomorphy
- Troglomorphic
Distribution
Range
Known from four counties in Texas in the Edwards Plateau and Balcones karst region.
Continent
North America
Country
United States
States and provinces
Texas
Counties
- Texas
- Burnet, Lampasas, Travis, Williamson
Karst regions
Edwards Plateau and Balcones
Specimens
Collections holding material
| Institution | Lots |
|---|---|
| University of Texas, Biodiversity Center, Entomology Collection | 252 |
252 cataloged lots in 1 collection. 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 252 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G2G3 Imperiled to Vulnerable
Global rank last reviewed 21 August 2002.
Subnational ranks
- Texas
- SNR Unranked
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
References
- Causey, N.B. 1960. Speciation in North American cave millipeds. American Midland Naturalist 64: 116–122.
- 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. Conservation ranks were looked up 23 August 2026.
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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