''Jorunna'' 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
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, dorid
nudibranch
Nudibranchs () are a group of soft-bodied marine gastropod molluscs which shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have been given colourful nicknames to matc ...
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
* ...
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 ...
s in the family
Discodorididae
Discodorididae is a taxonomic family of sea slugs, specifically dorid nudibranchs, marine gastropod mollusks in the superfamily Doridoidea.Bouchet, P. (2011). Discodorididae. Accessed through: World Register of Marine Species at http://www.marine ...
.
Biology
''Jorunna'' species are usually camouflaged to match the sponges they feed on, which in many cases belong to the family
Chalinidae
Chalinidae is a family of marine demosponges, containing the following genera:
* '' Chalinula'' Schmidt, 1868
* '' Cladocroce'' Topsent, 1892
* '' Dendrectilla'' Pulitzer-Finali, 1983
* '' Dendroxea'' Griessinger, 1971
* ''Haliclona
''Haliclon ...
. It is likely that many undescribed species exist.
[Rudman, W.B., 1999 (January 6]
''Jorunna pantherina'' (Angas, 1864).
n/nowiki> Sea Slug Forum. Australian Museum, Sydney.
Species
There are more than 20 species in genus ''Jorunna''.
[Camacho-Garcia, Y. E. and T. M. Gosliner. (2008)]
Systematic revision of ''Jorunna'' Bergh, 1876 (Nudibranchia: Discodorididae) with a morphological phylogenetic analysis.
''Journal of Molluscan Studies'' 74(2) 143.
;Species brought into synonymy:
* ''Jorunna johnstoni'' (Alder & Hancock, 1845): synonym of ''Jorunna tomentosa'' (Cuvier, 1804) - type species of the genus ''Jorunna''
* ''Jorunna lemchei'' Ev. Marcus, 1976 : synonym of ''
Gargamella lemchei'' (Ev. Marcus, 1976)
* ''Jorunna luisae'' Ev. Marcus, 1976: synonym of ''
Jorunna evansi'' (Eliot, 1906)
* ''Jorunna malcolmi'' Ev. Marcus, 1976: synonym of ''Jorunna labialis'' (Eliot, 1908)
* ''Jorunna marchadi'' Risbec, 1956: synonym of ''
Asteronotus cespitosus'' van Hasselt, 1824
* ''Jorunna zania'' Ev. Marcus, 1976: synonym of ''Jorunna funebris'' (Kelaart, 1859)
File:Jorunna Funebris, Shark Island, Ko Tao, Thailand (4571139196).jpg, '' Jorunna funebris''
File:Jorunna rubescens.jpg, ''Jorunna rubescens
''Jorunna rubescens'' is a species of sea slug, a dorid nudibranch, a shell-less marine (ocean), marine gastropod mollusc in the family Discodorididae.Bouchet, P. (2015)''Jorunna rubescens'' (Bergh, 1876).In: MolluscaBase (2015). Accessed through ...
''
File:BEP2 1174-1.jpg, '' Jorunna tomentosa''
File:Jorunna_sp-Mauve_jorunna.JPG, '' Jorunna sp-Mauve Jorunna''
References
* Valdés Á. (2002). ''A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia).'' Zoological Journal of the Linnean Society. 136: 535-636
{{Taxonbar, from=Q590796
Discodorididae