Ophiosoma
Animalia | Platyhelminthes | Trematoda | Strigeida | Strigeidae | Ophiosoma
Ariosoma
Biota | Animalia | Chordata | Vertebrata | Gnathostomata | Osteichthyes | Actinopterygii | Actinopteri | Teleostei | Anguilliformes | Congridae | Bathymyrinae | Ariosoma
|  | Haeckel, 1874 |  | von Zittel, 1879 |  |  |  |  |  | Kaup, 1856 | Böhlke, 1949 | Swainson, 1838