Notopala sublineata sublineata Conrad, 1850
River snail, Blind river snail
Taxonomy & Nomenclature
Extinct in the wild
IUCN RedList status: Endangered
Was rediscovered in irrigation pipes after being thought to be globally extinct, to which it appears to remain confined to.
the Darling River and its tributaries
Biology & Ecology
Clarke, Geoffrey M. and Spier-Ashcroft, Fiona. (2003). A Review of the Conservation Status of Selected Australian Non-Marine Invertebrates. Canberra: Environment Australia.
Holmes, Branden. (2021). What's Lost and What Remains: The Sixth Extinction in 100 Accounts. Self published. [Available from Amazon]
Mitchell, Polly K. (2005). Notopala sublineata: An Endangered Snail within the Murray-Darling Basin, NSW. Thesis. viii + 141 pp.
Ponder, W. F. (1996). Notopala sublineata. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. (http://www.iucnredlist.org). Downloaded on 07 July 2012.
Sheldon, F. and Walker, K. F. (1993a). Pipelines as a refuge for freshwater snails. Regulated Rivers 8: 295-299. [Abstract]
Sheldon, F. and Walker, K. F. (1993b). Shell variation in Australian Notopala (Gastropoda: Prosobranchia: Viviparidae). Journal of the Malacological Society of Australia 14: 59-71. [Abstract]
Sheldon, F. and Walker, K. (1997). Changes in biofilms induced by flow regulation could explain extinctions of aquatic snails in the lower River Murray, Australia. Hydrobiologia 347: 97-108. [Abstract]