''Ariadnaria borealis'',

common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often con ...

the boreal hairysnail, is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of small

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Capulidae, the cap snails.

Distribution

This species occurs in the

North Sea The North Sea lies between Great Britain, Denmark, Norway, Germany, the Netherlands, Belgium, and France. A sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Se ...

, the Canadian part of the

Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five oceanic divisions. It spans an area of approximately and is the coldest of the world's oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, ...

, in the Northwest

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

Description

The maximum recorded

shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses Science Biology * Seashell, a hard outer layer of a marine ani ...

length is 22 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". '' PLoS ONE'' 5(1): e8776. .

Habitat

Minimum recorded depth is 2 m. Maximum recorded depth is 574 m.

References

* Gosner, K.L. 1971. ''Guide to identification of marine and estuarine invertebrates: Cape Hatteras to the Bay of Fundy''. John Wiley & Sons, Inc. 693 p. * Abbott, R.T. (1974). ''American Seashells''. 2nd ed. Van Nostrand Reinhold: New York, NY (USA). 663 pp. * Linkletter, L.E. 1977. ''A checklist of marine fauna and flora of the Bay of Fundy.'' Huntsman Marine Laboratory, St. Andrews, N.B. 68 p. * Backeljau, T. (1986). ''Lijst van de recente mariene mollusken van België'' ist of the recent marine molluscs of Belgium Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussels, Belgium. 106 pp. * Howson, C.M.; Picton, B.E. (Ed.) (1997). ''The species directory of the marine fauna and flora of the British Isles and surrounding seas''. Ulster Museum Publication, 276. The Ulster Museum: Belfast, UK. . vi, 508 (+ cd-rom) * Turgeon, D.D., et al. 1998. ''Common and scientific names of aquatic invertebrates of the United States and Canada''. American Fisheries Society Special Publication 26 * Hayward, P.J.; Ryland, J.S. (Ed.) (1990). ''The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods''. Clarendon Press: Oxford, UK. . 627 pp * Brunel, P., Bosse, L. & Lamarche, G. (1998). ''Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence''. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 p. * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification.'' Collection Patrimoines Naturels, 50: pp. 180–213 (look up in IMIS) etails iew taxon* Trott, T.J. 2004. ''Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years''. Northeastern Naturalist (Special Issue 2): 261–324 * Gulbin V.V. & Chaban E.M. (2012) ''Annotated list of shell-bearing gastropods of Commander Islands. Part I. The Bulletin of the Russian Far East'' Malacological Society 15–16: 5–30 Capulidae Gastropods described in 1829 Taxa named by George Brettingham Sowerby I {{Capulidae-stub