Scholz, T., Škeříková, A., Shimazu, T., Grygier, M. J. A taxonomic study of species of Bothriocephalus Rudolphi, 1808 (Cestoda: Pseudophyllidea) from eels in Japan: morphological and molecular evidence for the occurrence of B. claviceps (Goeze, 1782) and confirmation of the validity of B. Japonicus Yamaguti, 1934. Systematic Parasitology. 2004, 57(2), 87-96. ISSN 0165-5752. E-ISSN 1573-5192.