Lithasia duttoniana I. Lea, 1841
Dutton's river snail, Helmet rocksnail
Taxonomy & Nomenclature
Conservation Status
Last record: 1977
Rediscovered in ?
IUCN RedList status: Vulnerable
Distribution
USA
Biology & Ecology
Hypodigm
Media
References
Bogan, A. E. (1996). Lithasia duttoniana. The IUCN Red List of Threatened Species. Version 2014.3. (http://www.iucnredlist.org). Downloaded on 27 January 2015.
http://explorer.natureserve.org/servlet/NatureServe?searchName=Lithasia+duttoniana
http://extinctanimals.proboards.com/thread/10929/helmet-rocksnail