Rosette

Definition

In D., H.; in D. a regular globular arrangement of palmate (an)isochelae (e.g., subgenus Clathria [Cornulotrocha] and genus Mycale) and star‐shaped pattern on the surface of sterrasters and aspidasters; in H. a central portion of microsclere hexasters, hexactins (and their derivatives) is called primary rosette (e.g., Rossella antarctica).

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