Eosynanceja is an extinct genus of prehistoric ray-finned fish that lived during the lower Eocene.
Goniocranion is an extinct genus of prehistoric bony fish that lived during the lower Eocene.
Acestrus is an extinct genus of prehistoric marine ray-finned fish that lived during the lower Eocene in Europe. It contains one species, A. ornatus from the London Clay, known from a single braincase. It is thought to possibly be closely allied with billfish based on the braincase morphology, although it remains uncertain whether it had the rostrum characteristic of billfishes. Some authorities have suggested blochiid affinities.
Scombrinus is an extinct genus of prehistoric bony fish that lived during the lower Eocene.
Promegalops is an extinct genus of prehistoric bony fish that lived during the lower Eocene.
Protarpon is an extinct genus of prehistoric bony fish that lived during the lower Eocene.
Aulopopsis is an extinct genus of prehistoric marine ray-finned fish that lived during the lower Eocene. It is considered a relative of lizardfish in the order Aulopiformes, but its exact taxonomic placement is uncertain. Some authorities place it with the Aulopidae, while others place it with the Giganturoidae.
Eocottus is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.
Urosphen is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.
Patavichthys is an extinct genus of prehistoric ray-finned fish that lived from the early to middle Eocene.
Proteomyrus is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.
Tungtingichthys is an extinct genus of prehistoric bony fish that lived during the middle division of the Eocene epoch of China.
Pararhenanoperca is an extinct genus of prehistoric bony fish that lived during the middle division of the Eocene epoch.
Bolcanguilla is an extinct genus of prehistoric marine eel that lived during the early division of the Eocene epoch. It contains a single species, B. brachycephala from the Monte Bolca site of Italy. Its exact taxonomic affinities within the Anguilliformes remain uncertain.
Prosolenostomus is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.
Oncolepis is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.
Pygaeus is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene period in Italy.
Hemirhabdorhynchus is an extinct genus of prehistoric Actinopterygii, or ray-finned fish, that lived from the early to middle Eocene.
Pseudosphaerodon is an extinct genus of prehistoric Actinopterygii, or ray-finned fish, that lived from the early to middle Eocene.
Eutrichiurides is an extinct genus of prehistoric cutlass fish.
