Neritoidea is a taxonomic superfamily of mostly sea snails, nerites and their allies, marine gastropod mollusks in the order Cycloneritida.
Helicoidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.
Nacellidae is a taxonomic family of sea snails or true limpets, marine gastropod molluscs in the subclass Patellogastropoda.
The taxonomy of the Gastropoda as it was revised in 2005 by Philippe Bouchet and Jean-Pierre Rocroi is a system for the scientific classification of gastropod mollusks. The paper setting out this taxonomy was published in the journal Malacologia. The system encompasses both living and extinct groups, as well as some fossils whose classification as gastropods is uncertain.
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda.
Neritiliidae is a family of submarine cave snails, marine gastropod mollusks or micromollusks in the clade Cycloneritimorpha.
Eucyclidae is a family of gastropods in the superfamily Seguenzioidea.
Phenacolepadidae is a family of small sea snails or false limpets, marine gastropod mollusks in the clade Cycloneritimorpha.
Runcinoidea is a taxonomic superfamily or a clade Runcinaecea of sea slugs, marine gastropod mollusks in the order Runcinida
The Harpidae, known as the harp snails, are the members of a taxonomic family of large predatory sea snails, marine gastropod mollusks.
Pterothecidae is an extinct family of Paleozoic molluscs of uncertain position, either Gastropoda or Monoplacophora, with isostrophically coiled shells.
The Tripartellidae are an extinct family of fossil sea snails, marine gastropod molluscs in the clade Littorinimorpha.
The Zerotulidae comprise a taxonomic family of sea snails, marine gastropod molluscs in the superfamily Littorinoidea.
Maoraxidae is an extinct family of snails, gastropod molluscs in the clade Sorbeoconcha.
Cylindrobulla is a genus of sea snails or bubble snails, marine gastropod mollusks in the clade Sacoglossa.
Omphalotrochidae is an extinct taxonomic family of Paleozoic molluscs (gastropods?) with anisostrophically coiled shells of uncertain position (Gastropoda?).
Pileolidae is an extinct family of fossil sea snails, marine gastropod molluscs. This family is related to the extant family Neritidae, the nerites. The family has no subfamilies according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.
Philippe Bouchet is a French biologist whose primary scientific fields of study are malacology and taxonomy. He works at the Muséum National d'Histoire Naturelle in Paris. He is also a Commissioner of the International Commission on Zoological Nomenclature.
Margaritidae is a family of small sea snails, marine gastropod mollusks in the superfamily Trochoidea.
Skeneopsis planorbis is a species of gastropods belonging to the family Skeneopsidae.
