†Meidiichthys Brough 1931 (ray-finned fish)
Parent taxon: Perleidiformes according to J. J. Sepkoski 2002
Sister taxa: Anatoia, Boreichthys, Caminchaia, Cenechoia, Chrotichthys, Cleiothrolepididae, Colobodontidae, Crenolepis, Dollopterus, Echentaia, Gabanellidae, Hydropessum, Luganoiidae, Luopingichthys, Manlietta, Mendocinichthys, Pasambaya, Perleididae, Platysiagidae, Plesioperleidus, Polzbergiidae, Pseudobeaconiidae, Saurichthyes, Tripelta, Zeuchthiscus
Subtaxa: none
Ecology: