The Trachichthyiformes are an order of ray-finned fishes in the superorder Acanthopterygii. Phylogeny A recent phylogeny based on the work of Betancur-Rodriguez et al. 2017 shows Trachichthyiformes as a sister group of Beryciformes in the clade Berycimorpha. References Hgulichthys, nouveau genre de Lissoberycinae (Trachichthyiformes, Trachichthyoidea) du Cénomanien inférieur marin de Hgula (Liban). Implications ... O Otero, Y Dutour, M Gayet, Geobios, 1995 Ray-finned fish orders