''Turridrupa bijubata'', common name the crested turrid, 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), ...

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 ...

Clavatulidae Clavatulidae is a Taxonomy (biology), taxonomic family (biology), family of sea snails, marine gastropod mollusks in the superfamily Conoidea. The family is not well differentiated morphologically. Clavatulidae was raised, based on cladistic an ...

Description

The size of an adult shell varies between 11 mm and 25 mm. The color of the shell is chocolate-brown, encircled by narrow, lighter-colored keels The second keel, which is somewhat stronger than the others, is often broken up into small tubercles. The interior of the

aperture In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...

is chocolate-colored. The

siphonal canal The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water i ...

is short. It is distinguished from '' Turridrupa cincta'' (Lamarck, 1822) by its narrower form, a longer

spire A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spire ...

, sharper ridges and a darker color. The sinus apex is situated at end of the mid-shoulder cord. The cords are smooth with a buff color on dark brown ground. Powell, A.W.B. 1966. The molluscan families Speightiidae and Turridae, an evaluation of the valid taxa, both Recent and fossil, with list of characteristic species. Bulletin of the Auckland Institute and Museum. Auckland, New Zealand 5: 1–184, pls 1–23

Distribution

This marine species has a wide distribution : off

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Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

, the

Fiji Islands Fiji, officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists of an archipelago of more than 330 islands—of which about ...

and

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

. (Queensland)

References

* Reeve, L.A. 1843. ''Monograph of the genus Pleurotoma''. pls 1–18 in Reeve, L.A. (ed.). Conchologica Iconica. London : L. Reeve & Co. Vol. 1. * Schmeltz, J.D.K. 1869. ''Museum Godeffroy. Catalog 4.'' Hamburg : Wilhelm Mauke Söhne xxxix 141 pp. * Bouge, L.J. & Dautzenberg, P.L. 1914. ''Les Pleurotomides de la Nouvelle-Caledonie et de ses dependances''. Journal de Conchyliologie 61: 123-214 * Hedley, C. 1922. ''A revision of the Australian Turridae''. Records of the Australian Museum 13(6): 213–359, pls 42-56 * Dautzenberg, Ph. (1929). ''Mollusques testacés marins de Madagascar.'' Faune des Colonies Francaises, Tome III * Habe, T. 1964. ''Shells of the Western Pacific in color.'' Osaka : Hoikusha Vol. 2 233 pp., 66 pls. * Powell, A.W.B. 1967. ''The family Turridae in the Indo-Pacific. Part 1a. The Turrinae concluded.'' Indo-Pacific Mollusca 1(7): 409–443, pls 298-317 * Cernohorsky, W.O. 1978. T''ropical Pacific Marine Shells''. Sydney : Pacific Publications 352 pp., 68 pls. * Kay, E.A. 1979. ''Hawaiian Marine Shells. Reef and shore fauna of Hawaii. Section 4 : Mollusca''. Honolulu, Hawaii : Bishop Museum Press Bernice P. Bishop Museum Special Publication Vol. 64(4) 653 pp. * Wilson, B. 1994. ''Australian Marine Shells. Prosobranch Gastropods''. Kallaroo, WA : Odyssey Publishing Vol. 2 370 pp.

External links

* {{DEFAULTSORT:Turridrupa Bijubata bijubata Gastropods described in 1843