''Onchidium'' is a genus of air-breathing sea slugs, shell-less

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 * ...

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

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 ...

mollusks in the family

Onchidiidae Onchidiidae are a family of small, air-breathing sea (and land) slugs. They are shell-less marine (except for 2 species)preview pulmonate gastropod molluscs. Onchidiidae is the only family within the superfamily Onchidioidea. These animals are ...

. There are only four species currently recognized in the genus.

Species

The following species with valid names are included within the genus ''Onchidium'' : * ''

Onchidium melakense ''Onchidium'' is a genus of air-breathing sea slugs, shell-less marine (ocean), marine pulmonate gastropod mollusks in the family (biology), family Onchidiidae. There are only four species currently recognized in the genus. Species The followi ...

'' Dayrat & Goulding, 2019 * ''

Onchidium multiradiatum ''Onchidium multiradiatum'' is a species of air-breathing sea slug, a shell-less marine pulmonate gastropod mollusk in the family Onchidiidae Onchidiidae are a family of small, air-breathing sea (and land) slugs. They are shell-less marine ( ...

'' C. Semper, 1882 * ''

Onchidium nebulosum ''Onchidium nebulosum'' is a species of air-breathing sea slug, a shell-less marine pulmonate gastropod mollusk in the family Onchidiidae Onchidiidae are a family of small, air-breathing sea (and land) slugs. They are shell-less marine (exce ...

'' C. Semper, 1880 * ''

Onchidium reevesii ''Onchidium reevesii'' is a species of air-breathing sea slug, a shell-less marine pulmonate gastropod mollusk in the family Onchidiidae. It is one of four recognized species in the genus ''Onchidium ''Onchidium'' is a genus of air-breathin ...

'' (J. E. Gray, 1850) * ''

Onchidium stuxbergi ''Onchidium stuxbergi'' is a species of air-breathing sea slug, a shell-less brackish water pulmonate gastropod mollusk in the family Onchidiidae Onchidiidae are a family of small, air-breathing sea (and land) slugs. They are shell-less mar ...

'' (Westerlund, 1883) * ''

Onchidium typhae ''Onchidium typhae'' is a species of air-breathing sea slug, a shell-less brackish water pulmonate gastropod mollusk in the family Onchidiidae Onchidiidae are a family of small, air-breathing sea (and land) slugs. They are shell-less marine ...

'' Buchannan, 1800 ''Onchidium multinotatum'', originally described within the genus in 1883, is regarded as a ''

nomen dubium In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...

''.

References

* Starobogatov, Y. I. (1970). Fauna Molliuskov i Zoogeograficheskoe Raionirovanie Kontinental'nykh Vodoemov Zemnogo Shara he Molluscan Fauna and Zoogeographical Zoning of the Continental Water Bodies of the World Nauka. Leningrad. 372 p., 12 tables * Labbé A. (1935). Sur une forme nouvelle de Silicoderme, Elophilus ajuthiae nov. gen. nov. sp. Bulletin de la Société Zoologique de France. 60: 312-317

External links

Buchannan, F. (1800). An account of the Onchidium, a new genus of the class of vermes, found in Bengal. Transactions of the Linnean Society of London. 5: 132–134, pl. 5.

Dayrat B., Goulding T.C., Apte D., Bhave V., Comendador J., Quang N.X., Tan S.K. & Tan S.H. (2016). Integrative taxonomy of the genus Onchidium Buchannan, 1800 (Mollusca, Gastropoda, Pulmonata, Onchidiidae). ZooKeys. 636: 1-40
{{Commons category Onchidiidae