Diagnosis

English

eng

Florometra with basal pinnulars enlarged and carinate. P₁ and P₂ similar in length and number of segments, their relative proportions apparently more constant than in most congeners. Third brachial syzygy usually at 16+17. Cirri 60-100, of 40-65 cirrals, to 65 mm long when first syzygy width is 2.5 mm. Arms up to 200 mm long.

Clark, A. H., Clark, A. M. (1967). A monograph of the existing crinoids. <em>Bulletin of the United States National Museum.</em> (82): 1-860.