"The single example is a female, with numerous and apparently nearly ripe eggs which do not appear to have the rough capsule characteristic of such as Scolecolepis vulgaris" (McIntosh, 1915: 180).
McIntosh, William Carmichel. (1915). Polychaeta, Opheliidae to Ammocharidae. A Monograph of the British Marine Annelids. The Ray Society, London, 3 (1): i-viii, 1-368 (text). available online athttps://biodiversitylibrary.org/page/38532650