01 n. Any one of numerous species of marine annelids of the family Polynoidae, and allies, which have two rows of scales, or elytra, along the ba…
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Any one of numerous species of marine annelids of the family Polynoidae, and allies, which have two rows of scales, or elytra, along the back. See Illust. under Chaetopoda.(Zool.) See: Chaetopoda