Angular Pebblesnail
or Somatogyrus biangulatus is listed on the IUCN Red list (1996) as Critically Endangered due to B1+2c. IUCN Profile of the
Angular Pebblesnail
Academic web links for the Angular Pebblesnail.
ADW: Somatogyrus: Classification
... Somatogyrus biangulatus (angular pebblesnail)
animaldiversity.ummz.umich.edu/site/accounts/classification/Somatogyrus.html
