| Type | Diagnosis | ||||||
| Language | English | ||||||
| ISO 639-3 | eng | ||||||
| Note | Florometra with brachials following the third syzygy about as long as broad instead of markedly broader than long. Position of third syzygy irregular, often between brachials 16+17 instead of between 14+15. Proximal pinnulars of oral pinnules with aboral processes but not broadened. | ||||||
| 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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