Roadless Areas
Home/Species/ Karok Hesperian

Vespericola karokorum

Talmadge, 1962

Karok Hesperian

G2Imperiled Found in 2 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
Data deficientIUCN
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.112195
Element CodeIMGASA4040
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryInvertebrate Animal
IUCNData deficient
Endemicendemic to a single state or province
KingdomAnimalia
PhylumMollusca
ClassGastropoda
OrderStylommatophora
FamilyPolygyridae
GenusVespericola
Concept Reference
Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, P. M. Mikkelsen, R. J. Neves, C. F. E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F. G. Thompson, M. Vecchione, and J. D. Williams. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks. 2nd Edition. American Fisheries Society Special Publication 26, Bethesda, Maryland. 526 pp.
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2024-02-05
Change Date2012-04-03
Edition Date2024-02-05
Edition AuthorsCordeiro, J. (2005); rev. T. Cornelisse (2024)
Threat ImpactUnknown
Range Extent250-1000 square km (about 100-400 square miles)
Number of Occurrences6 - 80
Rank Reasons
This species has a moderate range and number of occurrences, but population trends and threats are unknown.
Range Extent Comments
This species occurs in Humboldt and Trinity Counties, California, USA (Roth and Sadeghian 2003; GBIF 2024; iNaturalist 2024).
Occurrences Comments
There are at least approximately 17 known occurrences of this species (Roth and Miller 1995; CNDDB 2023; GBIF 2024; iNaturalist 2024).
Threat Impact Comments
Threats to this species are unknown.
Ecology & Habitat

Habitat

This species is found in leaf litter and under loose bark on fallen woody debris in forests along streams (Burke 2013; CNDDB 2023).

Reproduction

This species is hermaphroditic (Roth and Miller 1995; Burke 2013).
Terrestrial Habitats
Forest - Mixed
Palustrine Habitats
Riparian
Other Nations (1)
United StatesN2
ProvinceRankNative
CaliforniaS2Yes
Threat Assessments
ThreatScopeSeverityTiming
Unknown/undetermined———

—

Roadless Areas (2)
California (2)
AreaForestAcres
Orleans Mtn. BSix Rivers National Forest17,183
PortugueseKlamath National Forest18,915
References (7)
  1. Burke, T.E. 2013. Land snails and slugs of the Pacific Northwest. Oregon State University Press, Corvallis. 352 pp
  2. California Natural Diversity Database (CNDDB). 2023. Element Subnational Ranking Form in Biotics 5 database. NatureServe, Arlington, Virginia (accessed 2024).
  3. Global Biodiversity Information Facility (GBIF). 2024. Global Biodiversity Information Facility (GBIF) data portal. Online. Available: https://www.gbif.org/ (accessed 2024).
  4. iNaturalist. 2024. Online. Available: https://www.inaturalist.org (accessed 2024).
  5. Roth, B.A. and W. B. Miller. 1995. Polygyrid land snails, Vespericola (Gastropoda: Pulmonata), 2. Taxonomic status of Vespericola megasoma (Pilsbry) and V. karokorum Talmadge. Veliger 38(2): 133-144.
  6. Roth, B. and P.S. Sadeghian. 2003. Checklist of the land snails and slugs of California. Santa Barbara Museum of Natural History Contributions in Science, 3: 1-81.
  7. Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, P. M. Mikkelsen, R. J. Neves, C. F. E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F. G. Thompson, M. Vecchione, and J. D. Williams. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks. 2nd Edition. American Fisheries Society Special Publication 26, Bethesda, Maryland. 526 pp.