| Type | Diagnosis | ||||||
| Language | English | ||||||
| ISO 639-3 | eng | ||||||
| Note | Antedon with P2 stouter basally and two-thirds the length of P1, which has 18-20 segments. Cirri ~30, of up to 11 cirrals; longest cirrals with L/W ratio up to 5. Arms up to 40 mm long. | ||||||
| Source | Clark AH, Clark AM (1967) A monograph of the existing crinoids 1(5). Bulletin of the United States National Museum (82):1-860. | ||||||
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