Literature
- Brunberg, L. 1964. On the nemertean fauna of Danish waters. Ophelia, 1: 77-111.
- Gibson, R. & E.W. Knight-Jones 1990. Platyhelminthes, nematoda, and nemertea. In: P.J. Hayward & J.S. Ryland (eds), The Marine Fauna of the British Isles and North-West Europe. Vol. 1, Introduction and Protozoans to Arthropods. Clarendon Press, Oxford, 181-200.
- Hylbom, R. 1957. Studies on palaeonemerteans of the Gullmar Fiord area (west coast of Sweden). Arkiv for Zoologi, Uppsala, 10: 539-582.