Tetraphyllidea is a large tapeworm order that contains some 60 genera and about 800 described species. Tetraphyllideans are remarkable for their scolex morphologies, which are the most varied and morphologically complex amongst all tapeworm orders.
tetraphyllidea meaning:[Medicine] n pl : an order of the class Cestoda comprising tapeworms parasitic in elasmobranch fishes and distinguished by a scolex having four bothridia and sometimes also hooks or suckers for att...