Mitrella Floccata
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''Mitrella floccata'' 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 ...
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 ...
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 ...
Columbellidae The Columbellidae, the dove snails or dove shells, are a family of minute to small sea snails, marine gastropod mollusks in the order Neogastropoda.Bouchet, P.; Gofas, S. (2010). Columbellidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) Wo ...
, the dove snails.


Distribution

This species occurs in the Indian Ocean off
Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...
,
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 ...
, and
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
.


Subspecies

There are two subspecies: * ''Mitrella floccata floccata'' (Reeve, 1859) * ''Mitrella floccata hanleyi'' (Deshayes, 1863) (synonyms: ''Columbella hanleyi'' Deshayes, 1863; ''Columbella robillardi'' G. B. Sowerby III, 1894; ''Mitrella hanleyi'' (Deshayes, 1863))


Description

The shell length varies between 10 mm and 16 mm.


References

* Deshayes, G. P., 1863 Catalogue des mollusques de l‛Ile de la Réunion (Bourbon). In Maillard, L. (Ed.) Notes sur l'Ile de la Réunion (Bourbon), p. 144 p, 14 pls * Drivas, J. & Jay, M., 1990. The Columbellidae of Reunion Island (Mollusca: Gastropoda). Annals of the Natal Museum 31: 163-200 * Spry, J.F. (1961). ''The sea shells of Dar es Salaam: Gastropods''. Tanganyika Notes and Records 56 * Kilburn R.N. (1970). ''Taxonomic notes on South African marine mollusca'', I. Annals of the Cape Provincial Museums 8(4):39–48 * Kilburn R.N. & Marais J.P. (2010) ''Columbellidae''. pp. 60–104, in: Marais A.P. & Seccombe A.D. (eds), Identification guide to the seashells of South Africa. Volume 1. Groenkloof: Centre for Molluscan Studies. 376 pp.


External links


Reeve, L. A. (1858–1859). Monograph of the Genus Columbella. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 11, pl. 1-37 and unpaginated text.
floccata Gastropods described in 1859 {{Columbellidae-stub