Helicinoidea
Encyclopedia
Helicinoidea is a taxonomic superfamily of land snail
s that have an operculum
. In other words, they are terrestrial
operculate gastropod mollusks. They are in the superfamily Neritoidea
and are quite closely related to the marine and freshwater nerites.
:
Land snail
A land snail is any of the many species of snail that live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial gastropod mollusks that have shells, It is not always an easy matter to say which species are terrestrial, because some are more or less...
s that have an operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...
. In other words, they are terrestrial
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...
operculate gastropod mollusks. They are in the superfamily Neritoidea
Neritoidea
Neritoidea is a taxonomic superfamily of mostly sea snails, nerites and their allies, marine gastropod mollusks in the clade Cycloneritimorpha ....
and are quite closely related to the marine and freshwater nerites.
Taxonomy
The following families are within according to the taxonomy by Bouchet & Rocroi (2005)Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
:
- family HelicinidaeHelicinidaeHelicinidae is a family of small tropical land snails which have an operculum. They are terrestrial operculate gastropod mollusks in the superfamily Helicinoidea....
- † family DawsonellidaeDawsonellidaeDawsonellidae is an extinct taxonomic family of fossil sea snails, marine, gastropod mollusks....
- † family DeaniridaeDeaniridaeDeaniridae is an extinct taxonomic family of fossil sea snails, marine gastropod mollusks....
- family NeritiliidaeNeritiliidaeNeritiliidae is a family of submarine cave snails, marine gastropod mollusks or micromollusks in the clade Cycloneritimorpha...
- family ProserpinellidaeProserpinellidaeProserpinellidae is a family of snails, gastropods in the clade Cycloneritimorpha .This family has no subfamilies according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005....
- family ProserpinidaeProserpinidaeProserpinidae is a family of gastropods in the clade Cycloneritimorpha .This family has no subfamilies according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.- Genera :...