Macrobenthos of the North Sea - Miscellaneous worms: Echiura. In: The species directory of the marine fauna and flora of the British Isles and surrounding seas (Howson, C.M. & B.E. Picton, eds). Ulster Museum and The Marine Conservation Society, Belfast and Ross-on-Wye.

Authors(s)	Howson, C.M. & B.J. Ball
Year	1997
Title	Echiura. In: The species directory of the marine fauna and flora of the British Isles and surrounding seas (Howson, C.M. & B.E. Picton, eds). Ulster Museum and The Marine Conservation Society, Belfast and Ross-on-Wye.