''Parviterebra brazieri'' 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 ...
. This marine species is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to marine waters around Australia, where it occurs off
Victoria.
Description
The length of the shell attains 14 mm, its diameter 4 mm.
(Original description) The shell is narrowly fusiform, attenuate at both ends. Its aspect is smooth, graceful, thin and translucent. The
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. Spires are ...
is prominent, acute, equalling the aperture, milky white. The base of the shell is chesnut, but the
apex is stained, fulvous, and on the
body whorl
The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk.
In gastropods
In gastropods, the b ...
zoned with four bands of very pale yellow. The shell contains eight
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, sloping, obliquely ribbed. The ribs are smooth, rounded, slightly raised, obtusely angular above, obsolete anteriorly. The suture is well impressed. The
aperture
In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.
An opt ...
is narrow and oblong. The outer
lip is thin. The inner lip is reflected.
Tenison-Woods, J.E. 1878. On some new marine Mollusca; Transactions and Proceedings of the Royal Society of Victoria v. 13-15 (1878-1879)
/ref>
References
* Wilson, B. (1994) Australian marine shells. Prosobranch gastropods. Vol. 2 Neogastropods. Odyssey Publishing, Kallaroo, Western Australia, 370 pp. page(s): 104
Further reading
Angas G.F. (1875). Descriptions of three new species of shells from Australia. Proceedings of the Zoological Society of London. (for 1875): 389-390, pl. 45
Adams A. & Angas G.F. (1864 ["1863"]). Descriptions of new species of shells from the Australian seas, in the collection of George French Angas. Proceedings of the Zoological Society of London. 1863(3): 418-428, pl. 37
Tryon G.W., jr. (1885) Manual of conchology, structural and systematic, with illustrations of the species. (1)7: Terebridae, Cancellariidae, Strombidae, Cypraeidae, Pediculariidae, Ovulidae, Cassididae, Doliidae, pp. 1-64, pl. 1-12 (Terebridae), 65-98, pl. 1-7 (Cancellariidae), 99-152, pl. 1-12 (Strombidae), 153-240, pl. 1-23 (Cypraeidae, by S.R. Roberts), 241-256, 301-304, pl. 1-5 (Pediculariidae and Ovulidae), 257-267, 305-306, pl. 1-6 (Doliidae), 268-300, 307-309, pl. 1-10 (Cassididae). Philadelphia, published by the author
{{Taxonbar, from1=Q14654599, from2=Q3720657
brazieri
Gastropods of Australia
Gastropods described in 1875