†order Ellimmichthyiformes Grande 1982 (ray-finned fish)
Full reference: L. Grande. 1982. A revision of the fossil genus †Diplomystus, with comments on the interrelationships of clupeomorph fishes. American Museum Novitates 2728:1-34
Parent taxon: Clupeomorpha according to L. Grande 1982
Sister taxa: Armigatus, Leufuichthys, Ornategulum
Subtaxa: Ellimmichthyidae, Paraclupeidae, Sorbinichthyidae
Ecology: nektonic carnivore