Apstein, 1900
Pinnules restricted to the parapodial rami. Rosette glands present in the trunks of the first two parapodia and at apices of both rami of later parapodia. Chromophil glands large and swollen from the third parapodia and subsequently on all parapodia. Spur glands present from second parapodia onwards (from the third are associated with Chromophil glands). More characters can be accessed by backtracking the key:
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