Family Opisthognathidae (ray-finned fish)
Osteichthyes - Acanthopterygii - Opisthognathidae
Parent taxon: Ovalentaria according to R. van der Laan 2019
See also Jordan 1963
Sister taxa: Ambassidae, Atherinomorphae, Blenniomorphae, Callionymiformes, Cichlomorphae, Congrogadidae, Embiotocidae, Grammatidae, Icosteiformes, Moroniformes, Mugilomorphae, Plesiopidae, Polycentridae, Pomacentridae, Pseudochromidae, Scombrolabraciformes, Trachiniformes
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Opisthognathidae in the database