†family Macrorhamphosidae (ray-finned fish)
Actinopteri - Syngnathiformes - Macrorhamphosidae
Parent taxon: Syngnathiformes according to J. S. Nelson et al. 2016
See also Jordan 1963, Pietsch 1978 and Schwarzhans 2007
Sister taxa: Aulorhamphidae, Aulostomidae, Aulostomoidea, Callionymoidei, Centriscidae, Dactylopteroidei, Fistularioididae, Mulloidei, Paraeoliscidae, Parasynarcualidae, Pegasidae, Rhamphosidae, Solenostomidae, Syngnathoidei, Urosphenidae
Subtaxa: Macrorhamphosidarum
Ecology: nektonic omnivore
Distribution: found only at Osteroden sand pit (Eocene of Germany)