†family Synodidae (ray-finned fish)
Actinopteri - Aulopiformes - Synodidae
Parent taxon: Aulopiformes according to P. A. M. Gaemers 1984
See also Casier 1966
Sister taxa: Acrognathus, Alepisauroidei, Aulopoidei, Bathysauroididae, Enchodontoidei, Halecoidei, Ichthyotringoidei, Lestidiidae, Notolepis, Paralepididae, Paraulopidae, Paraulopoidei, Pseudotrichonotidae, Scopelarchidae
Subtaxa: Argillichthys
Ecology: nektonic carnivore
Distribution: found only at Isle of Sheppey (BMNH collection) (Eocene of the United Kingdom)