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Brisingida
Order of starfishes From Wikipedia, the free encyclopedia
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The Brisingids are deep-sea-dwelling starfish in the order Brisingida.[1][2]
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Description
These starfish have between 6 and 16 long, attenuated arms which they use for suspension feeding.[3] Other characteristics include a single series of marginals, a fused ring of disc plates, the lack of actinal plates, a spool-like ambulacral column, reduced abactinal plates, and crossed pedicellariae.[4] They are 40 times the size of disk radius and have 7–20 flexible spiny arms.[5]
Distribution
Brisingida occur in a number of deep-sea locations, particularly in the Caribbean and New Zealand.[6]
This type of species are found of varying size especially in the eastern Pacific Ocean at a depth of 1,820–2,418 m.[5]
Taxonomy
The Brisingida contain two families, with 18 genera:[2]
- Family Brisingidae, G.O. Sars, 1875[7]
- Genus Astrolirus, Fisher, 1917 — (two species)
- Genus Astrostephane, Fisher, 1917 — (two species)
- Genus Brisinga Asbjørnsen, 1856 (synonym: Craterobrisinga, Fisher, 1916) — (20 species)
- Genus Brisingaster Loriol, 1883 — (monotypic)
- Genus Brisingella Fisher, 1917 — (monotypic)
- Genus Brisingenes Fisher, 1917 — (four species)
- Genus Hymenodiscus Perrier, 1884 — (16 species)
- Genus Midgardia Downey, 1972 — (monotypic)
- Genus Novodinia Dartnall, Pawson, Pope & B.J. Smith, 1969 (synonym: Odinia, Perrier, 1885) — (13 species)
- Genus Odinella Fisher, 1940 — (monotypic)
- Genus Stegnobrisinga Fisher, 1916 — (three species)
- Family Freyellidae, Downey, 1986[8][9]
- Genus Astrocles Fisher, 1917 — (three species)
- Genus Belgicella Ludwig, 1903 — (monotypic)
- Genus Colpaster Sladen, 1889 — (two species)
- Genus Freyastera Downey, 1986 — (six species)
- Genus Freyella Perrier, 1885 (synonym: Freyellidea, Fisher, 1917) — (31 species)
- Genus Freyellaster Fisher 1918 — (five species)
References
Further reading
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