- & Jangoux, 1985
Hymenodiscus Perrier, 1884
Hymenodiscus ag****izi (Perrier, 1882)
Hymenodiscus aotearoa (McKnight, 1973)
Hymenodiscus armillata (Sladen...
- — (monotypic)
Genus Brisingenes Fisher, 1917 — (four species)
Genus Hymenodiscus Perrier, 1884 — (16 species)
Genus Midgardia Downey, 1972 — (monotypic)...
- in 1856,
followed by
another abyssal species,
Brisinga coronata, now
Hymenodiscus coronata. A new order, Brisingida, was
erected to
accommodate these,...