''Tritia pellucida'', common name : the cyclops nassa, 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 ...

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 ...

Nassariidae The Nassariidae, Nassa mud snails (USA), or dog whelks (UK), are a taxonomic family of small to medium-sized sea snails, marine gastropod mollusks in the clade Neogastropoda. "Dog whelk" also refers to ''Nucella lapillus''. Shell description T ...

, the Nassa mud snails or dog whelks.Marshall, B. (2016). Tritia pellucida (Risso, 1826). In: MolluscaBase (2016). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=876815 on 2016-05-20 Even as ''Cyclope'' has been ruled to have a feminine gender by Opinion 793 of the

ICZN The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its publisher, the I ...

,1966, Bulletin of Zoological Nomenclature 23(5): 227 Risso published the name as masculine ''Cyclope pellucidus'' and the synonym ''Cyclope donovania'' as feminine.

Description

The shell size varies between 5 mm and 12 mm

Distribution

This species occurs 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 ea ...

(Greece)

References

* Costa O.G. (1840). Fauna Siciliana. Fasc. 1. Molluschi. 4 pp * Cernohorsky W. O. (1984). ''Systematics of the Family Nassariidae (Mollusca: Gastropoda)''. Bulletin of the Auckland Institute and Museum 14: 1–356 * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213

External links

*
Risso, A. (1827). Histoire Naturelle des Principales Productions de l'Europe Méridionale et Particulièrement de Celles des Environs de Nice et des Alpes Maritimes. Tome V. Paris: F.-G. Levrault. i-viii + 1-403 pp.

Galindo, L. A.; Puillandre, N.; Utge, J.; Lozouet, P.; Bouchet, P. (2016). The phylogeny and systematics of the Nassariidae revisited (Gastropoda, Buccinoidea). Molecular Phylogenetics and Evolution. 99: 337-353
{{DEFAULTSORT:Tritia Pellucida pellucida Gastropods described in 1826