Helicinidae

Helicinidae

Taxobox
name = Helicinidae


image_width = 240px
image_caption = "Alcadia maxima"
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
superordo = Neritopsina
ordo = Neritoida
superfamilia = Helicinoidea
familia = Helicinidae
subdivision_ranks = Subfamilies
subdivision =
Helicininae
Hendersoniinae
Vianinae

Helicinidae is a family of small tropical land snails which have an operculum. They are terrestrial operculate gastropod mollusks in the order Helicinoidea.

These snails are not at all closely related to the air-breathing land snails, despite a superfical similarity of the shells. The Helicinidae are in the superfamily Neritoidea; in other words, they are quite closely related to the marine and freshwater snails known as nerites (the family Neritidae).

Distribution

These snails are found in tropical and subtropical areas but they have an odd distribution: restricted to the Caribbean islands and some Indo-Pacific and Pacific islands, as well as the edge of the Asian and Australian continents.

ubfamilies and genera within the family Helicinidae

* Subfamily Helicininae
** Genus Alcadia
** Genus Bourciera
** Genus Helicina
** Genus Hemipoma
** Genus Lucidella
** Genus Ogasawarana
** Genus Olygyra
** Genus Orobophana
** Genus Pleuropoma
** Genus Schasicheila
** Genus Stoastoma
** Genus Stoastomops
** Genus Sturanya
* Subfamily Hendersoniinae
** Genus Hendersonia
** Genus Waldemaria
* Subfamily Vianinae
** Genus Calidviana
** Genus Calybium
** Genus Eutrochaetella
** Genus Geophorus
** Genus Heudeia
** Genus Pseudotrochatella
** Genus Pyrgodomus
** Genus Viana


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