''Bela powisiana'' is a species 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 ...
, 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 ...
Mangeliidae
Mangeliidae is a monophyletic family of small to medium-sized, predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.
Bouchet, P. (2011). Mangeliidae P. Fischer, 1883. In: MolluscaBase (2016). Accessed through: World Regis ...
.
Description
The length of tall, narrow shell attains 15 mm. It contains eight or nine
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. The shell shows broad, orthocline ribs with a thickened rim at the sutures and crossed by fine, spiral striae. 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. The outer
lip is not noticeably angular. The color of the shell varies from deep brown to purple with a broad brown band, interrupted over the ribs.
Distribution
This species occurs in the
Alboran Sea
The Alboran Sea (from Arabic , ''al-Baḥrān'') is the westernmost portion of the Mediterranean Sea, lying between the Iberian Peninsula and the north of Africa (Spain on the north and Morocco and Algeria on the south). The Strait of Gibraltar, w ...
;
[Urra J. & Gofas S. (2009). "New records of ''Bela powisiana'' (Dautzenberg 1887) (Gastropoda: Conidae) in Southern Europe". '']Journal of Conchology
The ''Journal of Conchology'' is a peer-reviewed scientific journal published by The Conchological Society of Great Britain and Ireland, covering research in conchology and malacology. It claims to be the world's oldest continuing publication on t ...
'' 40(1): 1-4
abstract
in the Atlantic Ocean from
Norway
Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
to the
Bay of Biscay
The Bay of Biscay (), known in Spain as the Gulf of Biscay ( es, Golfo de Vizcaya, eu, Bizkaiko Golkoa), and in France and some border regions as the Gulf of Gascony (french: Golfe de Gascogne, oc, Golf de Gasconha, br, Pleg-mor Gwaskogn), ...
.
References
* Dautzenberg Ph. 1887 Une excursion malacologique à Saint-Lunaire (Ille-et-Vilaine) et aux environs de cette localité. Bulletin de la Société d’Etudes Scientifiques de Paris 9(2): 27 pp.
* Nordsieck F 1977 The Turridae of the European seas. La Conchiglia, Roma. 131 pp.
* 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
* Martin Perez & Vera-Pelaez. 2006. Pliocenica, 5 : 55-60
* Martin Perez & Vera-Pelaez 2007 Bela mingoranceae (Mangeliinae Fischer, 1883, Conoidea), nueva especie actual de Estepona (Málaga, sur de España). Pliocenica 5: 1–6.
Urra J. & Gofas S. (2009)'' New records of Bela powisiana (Dautzenberg, 1887) (Gastropoda: Conidae) in southern Europe''. Journal of Conchology 40(1): 1-4
External links
MNHN, Paris : ''Bela powisiana''
{{Taxonbar, from=Q3169846
powisiana
Gastropods described in 1887