Myriotrochidae
Myriotrochidae is a family of sea cucumbers.
Description and characteristics
Members of this family have digitate tentacles, bearing 2-8 digits on each side. They lack podia, radial canals and respiratory tree.The soft body wall is supported by ossicles which are generally wheel-shaped with 8 or more spokes.
They are abyssal sea cucumbers, and may be the deepest-living group of echinoderms : species of the genera Myriotrochus and Prototrochus have been identified down to deep.
List of genera
The following genera are recognised in the family Myriotrochidae:Acanthotrochus Danielssen & Koren, 1881 -- 3 speciesAchiridota Clark, 1908 -- 3 species- †Hemisphaeranthos Terquem & Berthelin, 1875 -- 4 speciesMyriotrochus Steenstrup, 1851 -- 19 speciesNeolepidotrochus Bohn, 2005 -- 5 speciesParvotrochus Gage & Billett, 1986 -- 1 speciesPrototrochus Belyaev & Mironov, 1982 -- 17 speciesSiniotrochus Pawson, 1971 -- 3 speciesTrochoderma Théel, 1877 -- 1 species