Neritoidea is a taxonomic superfamily of mostly sea snails, nerites and their allies, marine gastropod mollusks in the order Cycloneritida.
The Pahranagat pebblesnail also known as the Pahranagat Valley turban snail, scientific name Fluminicola merriami, is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae. This species is endemic to the United States.
Gittenbergeria is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Gittenbergeriinae of the family Trissexodontidae.
Leptichnus is a genus of air-breathing land snails or semi-slugs, terrestrial pulmonate gastropod mollusks in the family Urocyclidae.
Vitrinula is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Ariophantidae. Vitrinula is the type genus of the Vitrinulini, that is a synonym of Macrochlamydinae.
Proserpinidae is a taxonomic family of small land snails with an operculum, gastropod mollusks in the superfamily Helicinoidea.
Maizaniidae is a family of minute land snails with an operculum, terrestrial gastropod mollusks in the superfamily Cyclophoroidea.
Aillyidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the informal group Sigmurethra.
Coelociontidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata.
Spelaeodiscidae is a family of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea.
Elasmognatha is a taxonomic grouping, a clade, of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs.
The Achatinoidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod mollusks in the informal group Sigmurethra.
The Vermetoidea, the worm snails or worm shells, are a taxonomic superfamily of small to medium-sized sea snails, marine gastropod molluscs in the order Littorinimorpha.
Helicostoa is a monotypic genus of freshwater snail, an aquatic gastropod mollusc in the order Littorinimorpha containing the single species Helicostoa sinensis.
Dialidae, common name dialids, is a family of sea snails, marine gastropod molluscs in the clade Sorbeoconcha.
†Nerrhenidae is an extinct taxonomic family of fossil sea snails, marine gastropod mollusks. Nerrhenidae is the only family in the superfamily Nerrhenoidea.
Jean-Pierre Rocroi is a French malacologist, a scientist, a zoologist who studies mollusks. He works at the Muséum national d'histoire naturelle in Paris.
Tamayoa is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Scolodontidae.
Ceratodiscus is a genus of tropical and subtropical land snails with an operculum, terrestrial gastropod mollusks in the family Helicinidae.
Saulea is a genus of freshwater snails with an operculum, aquatic gastropod mollusks in the family Ampullariidae, the apple snails.
