Family TETRAGONOCEPHALIDAE Yamaguti, 1959
Introduction
The family Tetragonocephalidae is characterised by a scolex with four suckers and, at its apex, a large, mushroom-shaped expansion termed a metaporhynchus.The family is currently represented by a single species of Tylocephalum in Australia (Butler 1987), but other species have been collected.
General References
Butler, S.A. 1987. Taxonomy of some tetraphyllidean cestodes from elasmobranch fishes. Australian Journal of Zoology 35: 343-371