Columella aspera

Columella aspera
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
clade Orthurethra

Superfamily: Pupilloidea
Family: Vertiginidae
Subfamily: Vertigininae
Tribe: Truncatellinini
Genus: Columella
Species: C. aspera
Binomial name
Columella aspera
Waldén, 1966

Columella aspera is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Vertiginidae, the vertigo snails.

Description

The 2.0-2.5 x 1.3-1.4 mm. shell has 4-5 whorls and the spire tapers towards the apex. The aperture is simple without teeth . The colour is dark grey brown or horny brown.The surface is not shiny and finely and regularly striated.It is more coarsely sculptured than the very similar Columella edentula.

Distribution

This species occurs in countries and islands including:

External links

References

    This article is issued from Wikipedia - version of the 6/13/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.