# Psolidae

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**Psolidae** is a [family](/source/Family_(taxonomy)) of [sea cucumbers](/source/Sea_cucumbers), marine animals with elongated bodies, leathery skins and tentacles that are found on the sea bed.

## Description

Members of the family Psolidae are small and inconspicuous sea cucumbers found in crevices and under boulders. They have a crown of branched tentacles, calcareous plates on the skin of the trunk and a basal sole that can move across the substrate. Some genera have [papillae](/source/Sea_cucumber#Locomotion) above but these are lacking in species of the genus *[Psolus](/source/Psolus)*.[1]

## List of genera

- *[Ceto](/source/Ceto_(holothurian))* Gistel, 1848 -- 1 species
- *[Echinopsolus](/source/Echinopsolus)* Gutt, 1990 -- 4 species
- *[Ekkentropelma](/source/Ekkentropelma)* Pawson, 1971 -- 2 species
- *[Lissothuria](/source/Lissothuria)* Verrill, 1867 -- 9 species
- *[Neopsolidium](/source/Neopsolidium)* Pawson, 1964 -- 2 species
- *[Psolidium](/source/Psolidium)* Ludwig, 1887 -- 51 species
- *[Psolus](/source/Psolus)* Jaeger, 1833 -- 55 species

## References

1. [Marine Species Identification Portal](http://species-identification.org/species.php?species_group=nasc&menuentry=groepen&id=27&tab=beschrijving)

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