Horatrema crassum
Animalia | Platyhelminthes | Rhabditophora | Trematoda | Opecoelidae | Horatrema | Horatrema crassum
Manteriella crassa
Biota | Animalia | Platyhelminthes | Rhabditophora | Neodermata | Trematoda | Digenea | Plagiorchiida | Xiphidiata | Opecoeloidea | Opecoelidae | Opecoelinae | Manteriella | Manteriella crassa
|  | Minot, 1876 | Ehlers, 1985 | Ehlers, 1985 |  | Carus, 1863 | La Rue, 1957 | Olson, Cribb, Tkach, Bray & Littlewood, 2003 | Ozaki, 1925 | Ozaki, 1925 | Ozaki, 1925 | Yamaguti, 1958 | (Manter, 1947) Yamaguti, 1958