[Hyperandrotrema cetorhini n.g.n.sp. (Trematoda, Sanguinicolidae) parasite of the circulatory system in Cetorhinus maximus (Selachii) (author's transl)].

Description of a new genus of Sanguinicolidae, Hyperandrotrema from one Cethorhinus maximus captured on Tunisian coasts. This new genus included in the subfamily of Chimaerohemecinae is characterized by a short gullet and long digestive caeca shaped like an inverse "U". Thus, the diagnosis of the subfamily of Chimaerohemecinae is modified.