''Tibersyrnola unifasciata'' is a

species In biology, a species is the basic unit of Taxonomy (biology), 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 ...

of sea snail, a

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod

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 es ...

in the

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

Pyramidellidae Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micr ...

, the pyrams and their allies.Bouchet, P. (2015). Tibersyrnola unifasciata (Forbes, 1844). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=768168 on 2015-04-19 THe synonym ''Syrnola wenzi'' was named after

Wilhelm August Wenz Wilhelm August Wenz (21 October 1886 – 12 September 1945) was a German malacologist, born in Frankfurt am Main. He is the author of the 7-part Gastropoda The gastropods (), commonly known as snails and slugs, belong to a large taxonomi ...

(1886-1945), a German malacologist.

Description

The shell is smooth and polished. It is white, with a median, narrow, light chestnut band. The

teleoconch The gastropod shell is part of the body of a gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. So ...

contains 11 flattened

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 flo ...

s. The length of the shell varies between 3 mm and 6.5 mm.Manual of Conchology vol. VIII

G.W. Tryon George Washington Tryon Jr. (20 May 1838 – 5 February 1888) was an American malacologist who worked at the Academy of Natural Sciences in Philadelphia. Biography George Washington Tryon was the son of Edward K. Tryon and Adeline Savid ...

, p. 341; 1889

Distribution

This marine species occurs in rather deep water (200m - 700m) in the following locations: * European waters (ERMS scope) * Mediterranean Sea : Sicily, Greece * Greek Exclusive Economic Zone * Portuguese Exclusive Economic Zone (the

Azores ) , motto= ( en, "Rather die free than subjected in peace") , anthem=( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores wi ...

) * Spanish Exclusive Economic Zone * United Kingdom Exclusive Economic Zone *

Canary Islands The Canary Islands (; es, Canarias, ), also known informally as the Canaries, are a Spanish autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to the African mainland, they are west of Mo ...

* Atlantic Ocean off Mauritania

Notes

Additional information regarding this species: * Habitat: Known from seamounts and knolls

References

* Graham A. (1971), ''British Prosobranchs, Synopses of the British Fauna, New series, No. 2''; Linnean Society., London * Nordsieck, F. (1972). Die europäischen Meeresschnecken (Opisthobranchia mit Pyramidellidae; Rissoacea). Vom Eismeer bis Kapverden, Mittelmeer und Schwarzes Meer. Gustav Fischer, Stuttgart. XIII + 327 pp. * Fenaux A. (1942). Mollusques nouveaux du littoral occidental de la Méditerranée. Bulletin de l'Institut Océanographique 825-826-827: 2-3

External links

Serge GOFAS, Ángel A. LUQUE, Joan Daniel OLIVER,José TEMPLADO & Alberto SERRA (2021) - The Mollusca of Galicia Bank (NE Atlantic Ocean); European Journal of Taxonomy 785: 1–114

To Biodiversity Heritage Library (10 publications)

To CLEMAM

To Encyclopedia of Life

To World Register of Marine Species
*
Forbes E. (1844). Report on the Mollusca and Radiata of the Aegean sea, and on their distribution, considered as bearing on geology. Reports of the British Association for the Advancement of Science for 1843. 130-193

Micali P., Nofroni I. & Smriglio C. (2014) ''Odostomia crassa Jeffreys, 1884 junior synonym of Tibersyrnola unifasciata (Forbes, 1844), new combination (Gastropoda Pyramidellidae).'' Biodiversity Journal 5(2): 209

Jeffreys, J. G. (1884). On the Mollusca procured during the 'Lightning' and 'Porcupine' expeditions, 1868-70. (Part VIII). Proceedings of the Zoological Society of London. 1882: 341-372, pl. 26-28

Gofas, S.; Luque, Á. A.; Templado, J.; Salas, C. (2017). A national checklist of marine Mollusca in Spanish waters. Scientia Marina. 81(2) : 241-254, and supplementary online material
{{Taxonbar, from1=Q5409377, from2=Q766348 Pyramidellidae Gastropods described in 1844