Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Eleutherozoa
Superclassis: Cryptosyringida
Classis: Holothuroidea
Subclassis: Actinopoda
Ordo: Dendrochirotida
Familia: Cucumariidae
Subfamilia: Colochirinae
Genus: Ocnus
Species: O. amiculus – O. braziliensis – O. brunneus – O. capensis – O. cataphractus – O. corbulus – O. cruciformis – O. cylindricus – O. diomedeae – O. glacialis – O. lacteus – O. paracorbulus – O. petiti – O. placominutus – O. planci – O. pygmaeus – O. rowei – O. tantulus – O. vicarius
References
Thandar, A.S. 2008. Additions to the holothuroid fauna of the southern African temperate faunistic provinces, with descriptions of new species. Zootaxa. 1697:1-57. DOI: 10.11646/ZOOTAXA.1697.1.1 Paywall ResearchGate Open access Reference page. [as Ocnus p. 18]
Thandar, A.S.; Zettler, M.L.; Arumugam, P. 2010: Additions to the sea cucumber fauna of Namibia and Angola, with descriptions of new taxa (Echinodermata: Holothuroidea). Zootaxa, 2655: 1–24. Preview
Ocnus is a genus of sea cucumbers in the family Cucumariidae.
Species
The following species are recognised in the genus Ocnus:[1]
Ocnus amiculus Cherbonnier, 1988
Ocnus braziliensis (Verrill, 1868)
Ocnus brunneus (Forbes in Thompson, 1840)
Ocnus capensis (Théel, 1886)
Ocnus cataphractus (Sluiter, 1901)
Ocnus corbulus (Cherbonnier, 1953)
Ocnus cruciformis Thandar in Thandar & Mjobo, 2014
Ocnus cylindricus Semper, 1867
Ocnus diomedeae Pawson, 1976
Ocnus glacialis (Ljungman, 1879)
Ocnus lacteus (Forbes & Goodsir, 1839)
Ocnus paracorbulus Thandar, Zettler & Arumugam, 2010
Ocnus petiti (Cherbonnier, 1958)
Ocnus placominutus Thandar, Zettler & Arumugam, 2010
Ocnus planci (Brandt, 1835)
Ocnus pygmaeus Semper, 1867
Ocnus rowei Thandar, 2008
Ocnus tantulus Cherbonnier, 1988
Ocnus vicarius Bell, 1883
References
"WoRMS - World Register of Marine Species - Ocnus Forbes & Goodsir in Forbes, 1841". Marinespecies.org. Retrieved 2013-07-07.
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