''Onchidium'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of air-breathing
sea slug
Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods, i.e. they are sea snails (marine gastropod mollusks) that over evolutionary t ...
s, 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 ...
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 ...
s 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 ...
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''
C. Semper, 1882
* ''
Onchidium nebulosum''
C. Semper, 1880
* ''
Onchidium reevesii''
(J. E. Gray, 1850)
* ''
Onchidium stuxbergi''
(Westerlund, 1883)
* ''
Onchidium typhae''
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
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