doliolaria larva
(ECHINODERMATA: Crinoidea)
A free-swimming bilaterally symmetrical larva of the crinoids and a post auricularia holothurian larva; characterized by possessing a large apical tuft and several (4 or 5) ciliated bands around the body; dipluerula; see pentacrinoid.

Online Dictionary of Invertebrate Zoology. . 2005.

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