''Swainsonia fusca'', common name : the dusky mitre, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

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 Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Mitridae Mitridae, known as mitre shells, are a taxonomic family of sea snails, widely distributed marine gastropod molluscs in the clade Mitroidea.MolluscaBase (2018). Mitridae Swainson, 1831. Accessed through: World Register of Marine Species at: http: ...

, the miters or miter snails.Bouchet, P. (2017). Swainsonia fusca. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=944701 on 22 June 2017

Description

The shell is nearly spindle-shaped, entirely brown and marked by bands of punctured dots. Size varies between 14 mm and 30 mm.

Distribution

This species is distributed in the

Red Sea The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; T ...

, in the Indian Ocean off

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ...

Mauritius Mauritius ( ; french: Maurice, link=no ; mfe, label=Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It incl ...

and the

Mascarene The Mascarene Islands (, ) or Mascarenes or Mascarenhas Archipelago is a group of islands in the Indian Ocean east of Madagascar consisting of the islands belonging to the Republic of Mauritius as well as the French department of Réunion. Their ...

Basin and in the Atlantic Ocean along

Angola , national_anthem = " Angola Avante"() , image_map = , map_caption = , capital = Luanda , religion = , religion_year = 2020 , religion_ref = , coordina ...

References

* Michel, C. (1988). ''Marine molluscs of Mauritius''. Editions de l'Ocean Ind''ien. Stanley, Rose Hill. Mauritius * Drivas, J. & M. Jay (1988).'' Coquillages de La Réunion et de l'île Maurice * Cernohorsky W. O. (1991). ''The Mitridae of the world'' (Part 2). Monographs of Marine Mollusca 4. page(s): 131 * Gofas, S.; Afonso, J.P.; Brandào, M. (Ed.). (S.a.).'' Conchas e Moluscos de Angola = Coquillages et Mollusques d'Angola. hells and molluscs of Angola'. Universidade Agostinho / Elf Aquitaine Angola: Angola. 140 pp * Poppe G.T. & Tagaro S.P. (2011). Addenda. pp. 545–649, in: G.T. Poppe (ed.), Philippine marine mollusks, volume 4. Hackenheim: ConchBooks.

External links

* Mitridae Gastropods described in 1824 {{Mitridae-stub