Literature
- Giordanella, E. 1969. Contribution à l'étude de quelques Spionidae. Rec. Trav. St. mar. Endoume, 45(61): 325-349.
- Hartmann-Schröder, G. 1996. Annelida, Borstenwürmer, Polychaeta. Tierwelt Deutschlands, 58: 1-648.
- Rasmussen, E. 1973. Systematics an Ecology of the Isefjord Marine Fauna (Denmark). Ophelia, 11: 1-482.