Pionosyllis sp.
Material examined. 1 spec. ZMA V.Pol. 2222.02 (as Syllis ferruginea (sic)), Indonesia, Lesser Sunda Isl., Postillon Isl., anchorage of Pulu Sarassa, dredge, coral, 36 m, Siboga Expedition, Sta. 43, 4/ 5 March 1899; 1 spec. ZMA V.Pol. 5257, Indonesia, NE coast of Sumba, 09°57'S 120°49'E, sandy bottom and sponges, 45 m, Snellius II, Sta. 4.067, 16 Sept. 1984; 1 spec. ZMA V. Pol. 5258, Indonesia, Komodo, NE Cape, 08°29'S 119°34.1'E, sandy bottom with algae, occasional sponges and tunicates, 30–34 m, Snellius II, Sta. 4.096d, 19/ 20 Sept 1984.
Remarks. Specimens in poor condition. A more accurate identification is not possible.