Probert, A.J. & Stobart, B. (1989)
Echinobothrium clavatum n. sp. (Cestoda, Diphyllidea) from the spiral valve of Raja clavata L., 1758, including a note on its ultrastructure and a key to species of the genus. Systematic Parasitology, 13, 71–79
DOI: 10.1007/BF00006952