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]
Hansson, H.G. (2001). Echinodermata, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 336–351 (look up in IMIS) [details]
Clark, A.M. and M.E. Downey. (1992). Starfishes of the Atlantic. Chapman & Hall Identification Guides, 3. Chapman & Hall: London, UK. ISBN0-412-43280-3. xxvi, 794 pp. (look up in IMIS) [details]
Downey. M.E. (1986). Revision of the Atlantic Brisingida (Echinodermata: Asteroidea), with description of a new genus and family. Smithsonian Contributions to Zoology No.435. 57pp. [details]
Fisher, W.K. (1917). New genera and species of Brisingidae. Annals and Magazine of Natural History 20(8): 418–431. [details]
Sladen, W.P. (1889). Report on the Asteroidea. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–1876, Zoology 30(51): xlii + 893 pages 118 plates. [details]
Clark, A.M.and Mah, C. (2001). An index of names of recent Asteroidea, part 4. Forcipulatida and Brisingida, in: Jangoux, M.; Lawrence, J.M. (Ed.) (2001). Echinoderm Studies, 6: pp. 229–347 (look up in IMIS) [details]