Brisingida

The Brisingids are deep-sea-dwelling starfish in the order Brisingida. These starfish have between six and 18 long, attenuated arms which they use for suspension feeding. 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. Brisingida occur in a number of deep-sea locations, particularly in the Caribbean and New Zealand. The Brisingida contain two families, with 18 genera: