Roadless Areas
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Helminthoglypta traskii

(Newcomb, 1861)

Trask Shoulderband

G1Critically Imperiled (G1G2) Found in 4 roadless areas NatureServe Explorer →
G1Critically ImperiledGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.106744
Element CodeIMGASC2470
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryInvertebrate Animal
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomAnimalia
PhylumMollusca
ClassGastropoda
OrderStylommatophora
FamilyHelminthoglyptidae
GenusHelminthoglypta
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
Review Date2006-07-27
Change Date2002-10-08
Edition Date2006-07-27
Edition AuthorsCordeiro, J.
Range Extent5000-200,000 square km (about 2000-80,000 square miles)
Rank Reasons
This species is distributed (as several subspecies) in southern California to northwestern Baja California, Mexico (Roth and Sadeghian, 2003).
Range Extent Comments
This species is distributed (as several subspecies) in southern California to northwestern Baja California, Mexico (Roth and Sadeghian, 2003).
Ecology & Habitat
Other Nations (1)
United StatesN1
ProvinceRankNative
CaliforniaSNRYes
Roadless Areas (4)
California (4)
AreaForestAcres
Arroyo SecoAngeles National Forest4,703
Magic MountainAngeles National Forest15,542
Strawberry PeakAngeles National Forest7,245
West ForkAngeles National Forest1,169
References (2)
  1. 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.
  2. 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.