''Theta vayssierei'' 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 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 ...

Raphitomidae Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". '' Malacologia'' 47(1-2). . 3 ...

. The taxonomy of this species was clarified by Dautzenberg in 1925, who assigned it to the genus Theta. It has been knowns by the synonyms Gymnobela bathyiberica and Pleurotomella bathyiberica.

Description

The length of the shell attains 53 mm.

Distribution

This species is found in the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ...

Biology and Ecology

Little is known about the biology and ecology of this species. Further research may provide more information about its distribution, behavior, and potential interactions with other species.

References

* Dautzenberg P. (1925). ''Mollusques nouveaux provenant des croisières du Prince Albert Ier de Monaco''. Bulletin de l'Institut Océanographique de Monaco 457: 1-12 * Fechter, R. (1976) ''Pleurotomella (Theta) bathyiberica sp. nov. und Neufunde von Pleurotomella (Theta) lyronuclea Clarke, 1959 aus dem Inerischen Tiefseebecken. "Meteor"'' Forschungsergebnisse Reihe (D-Biologie), 22, 70–76. * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180–213.

External links

Powell A.W.B.(1966) The molluscan families Speightiidae and Turridae: an evaluation of the valid taxa, both recent and fossil, with lists of characteristic species; Bulletin of the Auckland Institute and Museum; no. 5
* vayssierei Gastropods described in 1925 {{Raphitomidae-stub