| Ocnus | |
|---|---|
 | |
| Ocnus planci | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Holothuroidea |
| Order: | Dendrochirotida |
| Family: | Cucumariidae |
| Genus: | Ocnus Forbes & Goodsir in Forbes, 1841 [1] |
| Species | |
See text | |
| Synonyms | |
| |
Ocnus is a genus of sea cucumbers in the family Cucumariidae.
The following species are recognised in the genus Ocnus: [1]
Holothuria is the type genus of the marine animal family Holothuriidae, part of the class Holothuroidea, commonly known as sea cucumbers. Members of the genus are found in coastal waters in tropical and temperate regions. They are soft-bodied, limbless invertebrates which dwell on the ocean floor and are usually detritivores. They resemble a cucumber in form. The genus contains some species that are harvested and sold as food.
Actinopyga is a genus of sea cucumbers found in coastal waters in tropical and temperate regions.
Synaptula is a genus of sea cucumbers, in the family Synaptidae.
Cucumariidae is a family of sea cucumbers, marine animals with elongated bodies, leathery skins and tentacles that are found on the sea bed.
Bohadschia is a genus of sea cucumbers in the family Holothuriidae. They are among the largest, most common, and conspicuous sea cucumbers on coral reefs. They have large, loaf-like bodies that are often strikingly colored.
Sclerodactylidae is a family of sea cucumbers, marine invertebrates with elongated bodies, leathery skins and tentacles.
Stichopus is a genus of sea cucumbers from the family Stichopodidae.
Labidodemas is a genus of marine sea cucumbers in the family Holothuriidae. The genus was erected by Emil Selenka in 1867.
Pelonaia is a genus of ascidian tunicates in the family Styelidae.
Chiridota is a genus of sea cucumbers in the family Chiridotidae. It is an extant genus but some fossil species are known.
Euapta is a genus of sea cucumbers in the family Synaptidae.
Opheodesoma is a genus of sea cucumbers in the family Synaptidae.
Psolus is a genus of sea cucumbers in the family Psolidae, marine animals with long bodies, leathery skins and tentacles, that inhabit the sea bed.
Pseudocnus is a genus of sea cucumbers in the family Cucumariidae.
Trachythyone is a genus of sea cucumbers in the family Cucumariidae.
Leptopentacta is a genus of sea cucumbers in the family Cucumariidae.
Thyone is a genus of sea cucumbers in the family Phyllophoridae.
Cucumella is a genus of sea cucumbers belonging to the monotypic family Cucumellidae.
Synallactes is a genus of sea cucumbers in the family Synallactidae. The type species of this genus is Synallactes alexandri.