Oceanida
Encyclopedia
Oceanida is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of very small parasitic sea snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

s, marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod mollusks or micromollusk
Micromollusk
A micromollusk is a descriptive term for 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 reach adult size at very small...

s in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Eulimidae
Eulimidae
Eulimidae is a family of very small parasitic sea snails, marine gastropod mollusks in the superfamily Eulimoidea.These small snails live on or in echinoderms and have a proboscis which they extend into their host's body cavity.-Genera:...

.

This genus was described by Léopold de Folin
Léopold de Folin
Léopold de Folin was an author, oceanographer, malacologist and early founder of the collections which were to become the Musée de la mer in Biarritz, France...

 in 1870. These are subtidal snails that are parasitic on echinoderm
Echinoderm
Echinoderms are a phylum of marine animals. Echinoderms are found at every ocean depth, from the intertidal zone to the abyssal zone....

s. Their length varies between 2 and 3 mm.

Species

Species within this genus include:
  • Oceanida faberi Jong & Coomans 1988 - the common labeo - found from Aruba
    Aruba
    Aruba is a 33 km-long island of the Lesser Antilles in the southern Caribbean Sea, located 27 km north of the coast of Venezuela and 130 km east of Guajira Peninsula...

     to Northeast Brazil.
  • Oceanida graduata de Folin, 1871 - the shouldered eulima - distributed in North America; Western Atlantic Ocean; synonyms : Oceanida graduata Folin, 1871; Spiroclimax scalaris Mörch, 1875; Athleenia burryi Bartsch, 1946
  • Oceanida inglei Lyons, 1978 - distributed in North America; Western Atlantic Ocean

External links

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