| Pseudorthonychiidae | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Neritimorpha |
| Order: | Cycloneritida |
| Family: | † Pseudorthonychiidae |
| Genus: | † Pseudorthonychia |
Pseudorthonychiidae is an extinct, monogeneric (contains only one genus) family of fossil snails, gastropod mollusks in the clade Cycloneritimorpha (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
The sole genus in this family is:
Neritoidea is a taxonomic superfamily of mostly sea snails, nerites and their allies, marine gastropod mollusks in the order Cycloneritida.
Neritopsoidea is a taxonomic grouping, a superfamily of sea snails, marine gastropod mollusks in the clade Cycloneritimorpha, within the clade Neritimorpha,, or in the order Neritoina within superorder Cycloneritimorpha within the subclass Neritimorpha,.
The Vermetidae, the worm snails or worm shells, are a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of species in the family Vermetidae are extremely irregular, and do not resemble the average snail shell, hence the common name "worm shells" or "worm snails".
Thiaridae, common name thiarids or trumpet snails, is a family of tropical freshwater snails with an operculum, aquatic gastropod mollusks in the superfamily Cerithioidea.
Cirridae is an extinct family of fossil sea snails, marine gastropod mollusks in the superfamily Porcellioidea.
Neritopsidae is a family of small sea snails and freshwater snails in the clade Cycloneritimorpha.
The Cerithioidea is a superfamily of marine, brackish water and freshwater gastropod containing more than 200 genera. The Cerithioidea are included unassigned in the subclass Caenogastropoda. The original name of this superfamily was Cerithiacea, in keeping with common superfamily endings at the time.
Ampullinidae are a mostly extinct taxonomic family of sea snails, marine gastropod molluscs in the clade Caenogastropoda.
Murchisonioidea is an extinct superfamily of small to large sea snails, marine gastropod mollusks in the clade Vetigastropoda.
Porcellioidea is an extinct superfamily of small to large sea snails, marine gastropod mollusks in the clade Vetigastropoda.
Euphemitidae is an extinct family of Paleozoic fossil molluscs of uncertain position. They have isostrophically coiled shells and may be either Gastropoda sea (snail)s, or Monoplacophora.
Diastomatidae is a family of sea snails, marine gastropod molluscs in the superfamily Cerithioidea.
Litiopidae, common name litiopids, is a family of small sea snails, marine gastropod molluscs in the clade Sorbeoconcha.
Modulidae, common name modulids, is a family of small sea snails, marine gastropod molluscs in the superfamily Cerithioidea.
Scaliolidae, common name scaliolids, is a family of minute sea snails, marine gastropod molluscs or micromollusks in the superfamily Cerithioidea, the ceriths and their allies.
Palaeozygopleuridae is an extinct taxonomic family of fossil sea snails, marine gastropod molluscs.
†Nerrhenidae is an extinct taxonomic family of fossil sea snails, marine gastropod mollusks. Nerrhenidae is the only family in the superfamily Nerrhenoidea.
Delphinulopsidae is an extinct taxonomic family of fossil sea snails, marine, gastropod mollusks.
This overview lists proposed changes in the taxonomy of gastropods at the family level and above since 2005, when the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) was published. In other words, these are recent updates in the way various groups of snails and slugs are classified.
The taxonomy of the Gastropoda as it was revised in December 2017 by Philippe Bouchet and eight other authors, is a publication which lays out a newly revised system for the scientific classification of gastropod mollusks. The same work also included the taxonomy of monoplacophorans.
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