- Knotty pebblesnail
Taxobox
name = Knotty pebblesnail
status = DD | status_system = IUCN2.3
regnum =Animalia
phylum =Mollusca
classis =Gastropoda
ordo =Sorbeoconcha
familia =Hydrobiidae
genus = "Somatogyrus "
species = "S. constrictus"
binomial = "Somatogyrus constrictus"
binomial_authority = Walker, 1904
synonyms = The knotty pebblesnail ("Somatogyrus constrictus") is a species ofgastropod in theHydrobiidae family. It is endemic to theUnited States .ource
* Mollusc Specialist Group 1996. [http://www.iucnredlist.org/search/details.php/20353/all Somatogyrus constrictus] .
* [http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species. ] Downloaded on07 August 2007 .
Wikimedia Foundation. 2010.