Vallonia excentrica
Encyclopedia
Vallonia excentrica, common name Excentric Vallonia, is a species
of very small air-breathing land snail
, a terrestrial
pulmonate gastropod mollusk in the family Valloniidae
.
Europe:
America:
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of very small air-breathing land snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...
, a 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...
pulmonate gastropod mollusk in the family Valloniidae
Valloniidae
Valloniidae is a taxonomic family of small and minute, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.-Anatomy:...
.
Distribution
This species occurs in areas which include:Europe:
- Great Britain
- Ireland
- Czech Republic
- and other areas
America:
- British ColumbiaBritish ColumbiaBritish Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
in Canada