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 that dwell on the ocean floor and are usually detritivore. They resemble a cucumber in form. The genus contains some species that are harvested and sold as food.
Eurema is a widespread genus of grass yellow butterflies in the family Pieridae.
Palaina is a genus of minute land snails with opercula, terrestrial gastropod mollusks or micromollusks in the family Diplommatinidae.
Cucumaria is a genus of sea cucumbers.
Synaptidae is a family of sea cucumbers that have no tube feet, tentacle ampullae, retractor muscles, respiratory trees, or cuvierian tubules. They also lack radial canals of the water-vascular system, with only the circumoral ring present.
Synaptula lamperti is a species of sea cucumber in the family Synaptidae in the phylum Echinodermata, found on coral reefs in the Indo-Pacific region. The echinoderms are marine invertebrates and include the sea urchins, starfish and sea cucumbers. They are radially symmetric and have a water vascular system that operates by hydrostatic pressure, enabling them to move around by use of many suckers known as tube feet. Sea cucumbers are usually leathery, gherkin-shaped animals with a cluster of short tentacles at one end. They live on the sea bottom.
Stichopus is a genus of sea cucumbers from the family Stichopodidae.
Ocnus is a genus of sea cucumbers in the family Cucumariidae.
Chiridotidae is a family of sea cucumbers.
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.
Anapta is a genus of sea cucumbers in the family Synaptidae.
Opheodesoma 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.
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.
Synaptula recta, sometimes known as the gut-like sea cucumber, is a species of sea cucumber in the family Synaptidae in the phylum Echinodermata. It occurs in shallow water in the tropical Indo-Pacific region.
Pseudocnus is a genus of sea cucumbers in the family Cucumariidae.
Thyone is a genus of sea cucumbers in the family Phyllophoridae.
Mesothuria is a genus of sea cucumbers belonging to the family Synallactidae. The genus has a cosmopolitan distribution.
Molpadiodemas is a genus of sea cucumbers belonging to the monotypic family Molpadiodemidae. The genus has an almost cosmopolitan distribution.
