Caenogastropoda is a taxonomic subclass of molluscs in the class Gastropoda. It is a large diverse group which are mostly sea snails and other marine gastropod mollusks, but also includes some freshwater snails and some land snails. The subclass is the most diverse and ecologically successful of the gastropods.
Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails, but also including some freshwater snails and land snails.
Pyramidellinae is a taxonomic subfamily of minute sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum. The family Neritidae includes marine genera such as Nerita, marine and freshwater genera such as Neritina, and freshwater and brackish water genera such as Theodoxus.
Thiaridae, common name thiarids or trumpet snails, is a family of tropical freshwater snails with an operculum, aquatic gastropod mollusks in the superfamily Cerithioidea.
Thylacodes aotearoicus is a species of sea snail, a worm snail or worm shell, a marine gastropod mollusc in the family Vermetidae, the worm snails. This species was previously known as Serpulorbis aotearoicus.
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.
Litiopidae, common name litiopids, is a family of small sea snails, marine gastropod molluscs in the clade Sorbeoconcha.
Procerithiidae is a taxonomic family of sea snails, marine gastropod molluscs in the clade Sorbeoconcha.
Dendropoma anguliferum is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Dendropoma maximum is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Dendropoma mejillonensis is a species of sea snail, a marine gastropod mollusc in the family Vermetidae, the worm snails or worm shells.
Dendropoma nebulosum is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Dendropoma petraeum is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Vermetus adansonii is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Thylacodes riisei is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells. This species was previously known as Serpulorbis riisei.
Petaloconchus is a genus of sea snails, marine gastropod mollusks in the family Vermetidae, the worm snails or worm shells.
Vermetus is a genus of sea snails, marine gastropod mollusks in the family Vermetidae, the worm snails or worm shells.
Obtortionidae is a family of sea snails, marine gastropod molluscs in the superfamily Cerithioidea, that is within the clade Cerithimorpha or in clade Sorbeoconcha.
Thylacodes is a genus of sea snails, marine gastropod mollusks in the family Vermetidae, the worm snails or worm shells. The species in this genus were previously placed in the genus Serpulorbis.
