Myriotrochidae
| Myriotrochidae | |
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| Myriotrochus sp. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Holothuroidea |
| Order: | Apodida |
| Family: | Myriotrochidae Théel, 1877 |
| Genera | |
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see text | |
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 (such as Prototrochus bruuni) have been identified down to 10,687 m (35,062 ft) deep.[1]
List of genera
The following genera are recognised in the family Myriotrochidae:
- Acanthotrochus Danielssen & Koren, 1881 -- 3 species
- Achiridota Clark, 1908 -- 3 species
- †Hemisphaeranthos Terquem & Berthelin, 1875 -- 4 species
- Myriotrochus Steenstrup, 1851 -- 19 species
- Neolepidotrochus Bohn, 2005 -- 5 species
- Parvotrochus Gage & Billett, 1986 -- 1 species
- Prototrochus Belyaev & Mironov, 1982 -- 17 species
- Siniotrochus Pawson, 1971 -- 3 species
- Trochoderma Théel, 1877 -- 1 species
References
- ^ Mah, Christopher L. "What are the Deepest known echinoderms ?". The Echinoblog..
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