''Rissoa lilacina'' 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 minute

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 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 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 ...

mollusc 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 esti ...

micromollusc A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also r ...

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 ...

Rissoidae Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the superfamily Rissooidea and the order Littorinimorpha Littorinimorpha is a large order of snails, gastropods, consisting pr ...

Description

Distribution

This marine species occurs at the south coast of the Channel in Calvados and

Finistère Finistère (, ; br, Penn-ar-Bed ) is a department of France in the extreme west of Brittany. In 2019, it had a population of 915,090.

, France

References

* Nordsieck, F. & García-Talavera, F. (1979). Moluscos Marinos de Canarias y Madera (Gastropoda). Aula de Cultura, Tenerife, 208 pp., 46 pls. * de Kluijver, M. J.; Ingalsuo, S. S.; de Bruyne, R. H. (2000). Macrobenthos of the North Sea D-ROM 1. Keys to Mollusca and Brachiopoda. World Biodiversity Database CD-ROM Series. Expert Center for Taxonomic Identification (ETI): Amsterdam, the Netherlands. ISBN 3-540-14706-3. 1 cd-rom * Manousis T., Kontadakis C, Mbazios G. & Galinou-Mitsoudi S. (2019). New records of Rissoidae (Mollusca: Gastropoda) for the Hellenic Seas with the description of Rissoa electrae n. sp. Xenophora Taxonomy. 26: 10-19.

External links

Récluz, C. A. (1843). Catalogue descriptif de plusieurs nouvelles espèces de coquilles de France suivi d'observations sur quelques autres. Revue zoologique, par la Société Cuvierienne. 6: 5-12, 104-112, 228-238, 257-261

Lovén, S. L. (1846). Index Molluscorum litora Scandinaviae occidentalia habitantium. Öfversigt af Kongliga Vetenskaps Akademiens Förhandlingar. (1846): 134-160, 182-204

Thorpe C. (1844). British marine conchology; Being a descriptive catalogue, arranged according to the Lamarckian system, of the salt water shells of Great Britain. London: Edward Lumley. l + 267 pp

Potiez, V. L. V. & Michaud, A. L. G. (1838). Galerie des mollusques, ou catalogue méthodique, descriptif et raisonné des mollusques et coquilles du Muséum de Douai. Tome 1, pp. xxxvi + 560 + 4 (Relevé des genres manquants; Errata). Atlas, pp. 1-56, pls I-XXXVII (= 1-37). Paris: Baillière

Alder J. (1844). Descriptions of some new British species of Rissoa and Odostomia. Annals and Magazine of Natural History 13: 323-328, pl. 8

Locard, A. (1886). Prodrome de malacologie française. Catalogue général des mollusques vivants de France. Mollusques marins. Lyon: H. Georg & Paris: Baillière. x + 778 pp

Jeffreys J.G. (1862-1869). British conchology. Vol. 1: pp. cxiv + 341 (1862). Vol. 2: pp. 479 (1864). Vol. 3: pp. 394 (1865). Vol. 4: pp. 487 (1867). Vol. 5: pp. 259 (1869). London, van Voorst.
Rissoa Gastropods described in 1843 {{Rissoidae-stub