''Propebela exarata'' 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.

Description

The length of the shell attains 12 mm. The white shell has an ovate-fusiform shape and is clathrate. It contains 6

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...

s. The longitudinal ribs are eminently pronounced and are crossed by transverse plicae. Möller, Hans Peter Christian. Index molluscorum groenlandiæ. CA Reitzell, 1842
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Distribution

This marine species occurs off Massachusetts, USA, Greenland, the Lofoten Islands and Nova Zembla, in the Kara Sea and the Arctic shores of Siberia; Arctic Ocean to Monterey, California Fossils have been found in Greenland, Labrador, England and

Spitsbergen Spitsbergen (; formerly known as West Spitsbergen; Norwegian: ''Vest Spitsbergen'' or ''Vestspitsbergen'' , also sometimes spelled Spitzbergen) is the largest and the only permanently populated island of the Svalbard archipelago in northern Norw ...

References

* Bogdanov, I. P. Mollusks of Oenopotinae subfamily (Gastropoda, Pectinibranchia, Turridae) in the seas of the USSR. Nauka, 1990.

External links

*
Friele H., 1877: Preliminary report on the Mollusca from the Norwegian North Atlantic Expedition in 1876; Nyt Magazin for Naturvidenskaberne 23: 1–10, 1 pl.

Dall, William Healey. Summary of the marine shellbearing mollusks of the northwest coast of America: from San Diego, California, to the Polar Sea, mostly contained in the collection of the United States National Museum, with illustrations of hitherto unfigured species. No. 112. Govt. print. off., 1921

Nekhaev, Ivan O. "Marine shell-bearing Gastropoda of Murman (Barents Sea): an annotated check-list." Ruthenica 24.2 (2014): 75

exarata ''Exarata'' is a group of plants described as a genus in 1992. ''Exarata'' contains only one known species, ''Exarata chocoensis'', native to the Pacific coastal regions of Colombia and Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shu ...

Gastropods described in 1842 {{Mangeliidae-stub