†family Urosphenidae (ray-finned fish)
Actinopteri - Syngnathiformes - Urosphenidae
Parent taxon: Syngnathiformes according to G. Carnevale et al. 2014
See also Bannikov 2014 and Jordan 1963
Sister taxa: Aulorhamphidae, Aulostomidae, Aulostomoidea, Callionymoidei, Centriscidae, Dactylopteroidei, Fistularioididae, Macrorhamphosidae, Mulloidei, Paraeoliscidae, Parasynarcualidae, Pegasidae, Rhamphosidae, Solenostomidae, Syngnathoidei
Subtaxa: Urosphen
Ecology: nektonic omnivore
Distribution: found only at Monte Bolca, Pesciara (FMNH collection) (Eocene of Italy)