Archer's Two-clawed Cave Spider
Liocranoides archeri Platnick, 1999
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Chelicerata |
| Class | Arachnida |
| Order | Araneae |
| Family | Tengellidae |
| Genus | Liocranoides |
| Species | Liocranoides archeri Platnick, 1999 |
Description
Diagnostic characters
- Ecological class
- Troglobiont
- Realm
- Terrestrial
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Hutton Cave, Madison Co. AL
Range
Known from seven counties across two states in the Interior Low Plateau karst region.
Continent
North America
Country
United States
States and provinces
Alabama, Tennessee
Counties
- Alabama
- Jackson, Madison, Marshall
- Tennessee
- Franklin, Grundy, Marion, Warren
Karst regions
Interior Low Plateau
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| 12S | mitochondrial | 1 | 297-297 bp | KY015687.1 |
| 16S | mitochondrial | 1 | 435-435 bp | KY016255.1 |
| 18S | nuclear | 1 | 1715-1715 bp | KY016871.1 |
| 28S | nuclear | 1 | 2172-2172 bp | KY017535.1 |
| COI | mitochondrial | 1 | 1076-1076 bp | KY018074.1 |
| H3 | nuclear | 1 | 286-286 bp | KY018563.1 |
6 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 6 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Conservation and management
NatureServe
G2 Imperiled
Global rank last reviewed 30 June 2005.
Subnational ranks
- Alabama
- S2 Imperiled
- Tennessee
- 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
References
- Dixon, G.B. & Zigler, K.S. 2011. Cave-obligate biodiversity on the campus of Sewanee: The University of the South, Franklin County, Tennessee. Southeastern Naturalist 10: 251–266. https://www.jstor.org/stable/41263008. details
- Lewis, J.J. 2005a. A biological inventory of caves of the Cumberland Plateau. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 156 pp.
- Niemiller, M.L. & Zigler, K.S. 2013. Patterns of cave biodiversity and endemism in the Appalachians and Interior Plateau of Tennessee, USA. PLOS One 8: e64177. doi:10.1371/journal.pone.0064177
- Niemiller, M.L., Zigler, K.S., Hinkle, A., Stephen, C.D.R., Cramphorn, B., Higgs, J., Mann, N., Miller, B.T., Niemiller, K.D.K., Smallwood, K. & Hardy, J. 2023b. The Crystal-Wonder Cave System: a new hotspot of subterranean biodiversity in the southern Cumberland Plateau of south-central Tennessee, USA. Diversity 15: 801. doi:10.3390/d15070801
- Platnick, N.I. 1999. A revision of the Appalachian spider genus Liocranoides (Araneae: Tengellidae). American Museum Novitates 3285: 1–13. https://digitallibrary.amnh.org/bitstreams/63d50620–233c-4d23-aad6–869d8222f0cf/download. details
- Wakefield, K.R. & Zigler, K.S. 2012. Obligate subterranean fauna of Carter State Natural Area, Franklin County, Tennessee. Speleolobiology Notes 4: 24–28.
- Yancey, M.E., Mann, N.C., Milne, M.A. & Zigler, K.S. 2018. Eggs sacs of Liocranoides Keyserling, 1881 (Araneae: Zoropsidae) cave spiders. The Journal of Arachnology 46: 553–555. https://www.jstor.org/stable/26758314. details
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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