. . "Moom pebblesnail"@en . . "The Moom pebblesnail, scientific name Somatogyrus obtusus, is a species of very small freshwater snail that has an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.This species is endemic to the United States. Its natural habitat is rivers."@en . "IUCN3.1" . . . . . "DD" .