Rosa, 1908
First pair of cirri present in juveniles. Pinnules restricted to the parapodial rami. Rosette glands in the trunks of the first two parapodia and near the tips of both rami thereafter. Spur glands present from 2-3 parapodia. Chromophil glands large and start on the third parapodia. More characters can be accessed by backtracking the key:
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