†family Rhamphognathidae (silverside)
Actinopteri - Atheriniformes - Rhamphognathidae
Parent taxon: Atheriniformes according to G. Carnevale et al. 2014
See also Bannikov 2014
Sister taxa: Atherinidae, Atherinopsidae, Bedotiidae, Chirostoma, Colpichthys, Dentatherinidae, Isonidae, Melanotaeniidae, Menidia, Mesogasteridae, Notocheiridae, Palaeoatherina, Phallostethidae, Pranesus, Pseudomugilidae, Stenatherina, Telmatherinidae
Subtaxa: Rhamphognathus
Ecology: nektonic omnivore
Distribution: found only at Monte Bolca, Pesciara (FMNH collection) (Eocene of Italy)