Polybostrichus müllerii Keferstein, 1862: 113 –116, pl. 11, fig. 1–6; Quatrefages 1866: 72 –73.
Distribution. North East Atlantic. France.
Remarks. Male stolon with 1 pair of tentacular cirri, and 3 chaetigers in region a. Could be the stolon to any of several taxa.
Polybostrichus pagenstecheri Müller (in Quatrefages), 1866 Polybostrichus pagenstecheri Müller (in Quatrefages), 1866: 73.
Distribution. Unknown locality.
Remarks. Types do not exist. Indeterminable.