''Guraleus tabatensis'' is a species of

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

, a marine

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk in the family Mangeliidae.Tokunaga, Shigeyasu. "Fossils from the environs of Tokyo." (1906)

Description

The length of the shell attains 4 mm, its diameter 1.5 mm. (Original description) This very rare shell contains six whorls, the upper three smooth, the rest about coarsely (about right) longitudinally costated with no trace of transverse ribs. The shell is distinctly angulated at the shoulder. The aperture is long and measures a little shorter than half the height of the shell.

Distribution

This marine species occurs off

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. It has also been found as a fossil in the Tabata region, near Tokyo.

References

External links

*
Worldwide Mollusc Species Data Base: ''Guraleus tabatensis''
{{DEFAULTSORT:Guraleus Tabatensis tabatensis Gastropods described in 1906