Parent taxon: Ophidiiformes according to R. van der Laan 2019
See also Betancur et al. 2013 and Schwarzhans and Nielsen 2021
Sister taxa: Benthocometes, Brotula, Dannevigia, Ophididae, Ophidioidei, Parabrotulidae, Rhodichthyidae
Subtaxa: Bythitidae
Ecology: nektobenthic carnivore-parasite
Distribution:
• Quaternary of Greece (5 collections), Italy (3), New Zealand (2), United States (3: California, Louisiana)
• Mangapanian of New Zealand (1)
• Pliocene of Greece (3), New Zealand (1), Taiwan (1)
• Miocene of Chile (2), France (1), Gabon (1), Greece (3), Italy (12), New Zealand (8)
• Waitakian of New Zealand (1)
• Oligocene to Miocene of Czechia (1)
• Oligocene of Australia (1), Belgium (16), Czechia (1), France (3), Germany (1), Romania (1)
• Eocene of Australia (3), Belgium (4), France (7), Germany (1), Indonesia (1), New Zealand (3), the United Kingdom (8)
• Paleocene of Denmark (3), Greenland (1), Ukraine (1), United States (1: Alabama)
Total: 104 collections including 122 occurrences