Family Retropinnidae (ray-finned fish)
Osteichthyes - Osmeriformes - Retropinnidae
Parent taxon: Retropinnoidei according to R. van der Laan 2019
See also Betancur et al. 2013, Jordan 1963 and Nelson et al. 2016
Sister taxa: none
Subtaxa: none
Ecology: nektonic carnivore
Distribution: found only at McGraths Flat (Miocene of Australia)