Sea cucumber genera

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.

Scotoplanes is a genus of deep-sea sea cucumbers of the family Elpidiidae. Its species are commonly known as sea pigs.

Cucumaria is a genus of sea cucumbers.

Pentacta is a genus of echinoderms belonging to the family Cucumariidae.

Peniagone is a genus of deep-sea sea cucumbers in the family Elpidiidae. Peniagone wyvillii is the type species.

Pseudocnus is a genus of sea cucumbers in the family Cucumariidae.

Chiridota is a genus of sea cucumbers in the family Chiridotidae. It is an extant genus but some fossil species are known.

Pseudostichopus is a genus of sea cucumbers belonging to the monotypic family Pseudostichopodidae. The genus has a cosmopolitan distribution.

Euapta is a genus of sea cucumbers in the family Synaptidae.

Myriotrochus is a genus of sea cucumbers in the family Myriotrochidae.

Synallactes is a genus of sea cucumbers in the family Synallactidae. The type species of this genus is Synallactes alexandri.

Eupentacta is a genus of sea cucumbers found in coastal waters in tropical and temperate regions.

Actinopyga is a genus of sea cucumbers found in coastal waters in tropical and temperate regions.

Leptosynapta is a genus of sea cucumbers, in the family Synaptidae.

Opheodesoma is a genus of sea cucumbers in the family Synaptidae.

Psychropotes is a genus of sea cucumbers in the family Psychropotidae. The members of this genus possess the ability to swim, although this is only facultative.

Colochirus is a genus of sea cucumbers in the family Cucumariidae.

Enypniastes is a genus of deep-sea sea cucumber. It is monotypic, being represented by the single species Enypniastes eximia. Due to its unique appearance, the species has been dubbed the headless chicken fish, headless chicken monster, and the Spanish dancer. It is also known as the swimming sea cucumber, and some are called the pink see-through fantasia.

Mesothuria is a genus of sea cucumbers belonging to the family Mesothuriidae. The genus has a cosmopolitan distribution.

genus of echinoderms

Synaptula is a genus of sea cucumbers, in the family Synaptidae.

Polyplectana is a genus of sea cucumbers in the family Synaptidae. The type species is Polyplectana kefersteinii.

genus of echinoderms

Ellipinion is a genus of deep-sea sea cucumbers in the family Elpidiidae. It was first described by the French marine biologist Edgard Hérouard in 1923.

Polycheira is a genus of holothurians (sea cucumbers) found in tropical Indo-Pacific.

Trachythyone is a genus of sea cucumbers in the family Cucumariidae.

Anapta is a genus of sea cucumbers in the family Synaptidae.

Aslia is a genus of echinoderms belonging to the family Cucumariidae.

Molpadiodemas is a genus of sea cucumbers belonging to the monotypic family Molpadiodemidae. The genus has an almost cosmopolitan distribution.

Labidodemas is a genus of marine sea cucumbers in the family Holothuriidae. The genus was erected by Emil Selenka in 1867.

Leptopentacta is a genus of sea cucumbers in the family Cucumariidae.

Elpidia is a genus of deep-sea sea cucumbers. Members are characterised by their rod-shaped spicules which each have two pairs of obliquely placed horizontal arms and two vertical apophyses. There is a high degree of endemism in this genus with different species occupying different deep sea basins or regions.

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.

Thelenota is a genus of sea cucumber in the family Stichopodidae.

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.

Benthodytes is a genus of sea cucumbers in the family Psychropotidae.

Eupyrgus is a genus of sea cucumbers. It is the only genus in the monotypic family Eupyrgidae.

Pannychia is a genus of sea cucumber of the family Laetmogonidae. They are part of the benthos. They prefer habitats with soft sediment, and inhabiting depths of . Within these habitats in the North Pacific Ocean, they are known to dominate the ecosystem.

thumb|Australostichopus mollis at Bicheno, Tasmania

Roweia is a genus of holothurian echinoderms belonging to the family Cucumariidae.

Psycheotrephes is a genus of sea cucumbers in the family Psychropotidae.

Loisettea is a genus of sea cucumbers in the family Cucumariidae. It was first described in 1985. The genus name honours Loisette M. Marsh.

Zygothuria is a genus of sea cucumbers belonging to the family Mesothuriidae. The genus has a cosmopolitan distribution.

Pearsonothuria is a genus of sea cucumbers in the family Holothuriidae. Pearsonothuria graeffei is the only species in the genus. '''Graeffe's sea cucumber''' is found in the tropical Indo-Pacific Ocean and the type locality is Viti Island, Fiji. It is named after Eduard Heinrich Graeffe, Semper's coworker at the Museum Godeffroy.