Pionosyllis is a genus of polychaetes belonging to the family Syllidae.
The genus has cosmopolitan distribution.
Species:
Pionosyllis comosa Pionosyllis compacta Pionosyllis gigantea Pionosyllis heterochaetosa Pionosyllis kerguelensis Pionosyllis koolalya Pionosyllis longisetosa Pionosyllis lucida Pionosyllis magnifica Pionosyllis malmgreni Pionosyllis manca Pionosyllis nidrosiensis Pionosyllis petalecirrus Pionosyllis stylifera Pionosyllis suchumica
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