Actinopterygii - Protacanthopterygii
Full reference: G. Arratia, R. Scasso, and W. Kiessling. 2004. Late Jurassic fishes from Longing Gap, Antarctic Peninsula. Journal of Vertebrate Paleontology 24(1):41-55
Parent taxon: Actinopterygii according to G. Arratia et al. 2004
Sister taxa: Acrognathus, Actinopteri, Aeduelliformes, Aesopichthyidae, Aetheospondyli, Aetheretmon, Aethocephalichthys, Akanolepis, Anapterus, Apateodus, Asarotiformes, Aulolepis, Australichthys, Baoqingichthys, Beagiascus, Belonorhynchidae, Bobastraniiformes, Cheirodopsis, Chirothrix, Cladistia, Ctenothrissa, Cuneognathus, Dactylopogon, Dercetidae, Dinopteryx, Diplospondichthys, Echidnocephalus, Elonichthyiformes, Enchelurus, Engraulis, Exocoetoides, Globulodus, Guaymayenia, Guildayichthyiformes, Gunterichthys, Halecopsis, Histiothrissa, Isospondyli, Kalops, Leptolepidae, Limnomis, Lineagruan, Mallotus, Mesolepis, Microcoelia, Nematonotus, Opistopteryx, Pachylebias, Palaeonisciformes, Paramblypteriformes, Parascopelus, Paratarrasius, Peltopleuriformes, Perleidiformes, Plethodus, Polypteri, Prolebias, Pronotacanthus, Protaulopsis, Protospondyli, Pseudoberyx, Redfieldiformes, Reticulolepis, Rhadinichthyidae, Rhinellus, Rhynchorhinus, Roslerichthys, Salmo, Sardinioides, Sardinius, Saurichthys, Scombroclupea, Scopeloides, Spinofacia, Tarrasiiformes, Teleosteomorpha, Telepholis, Tetragonopterus, Thryptodus, Wardichthys
Subtaxa: Ameghinichthys antarticus
Type: Ameghinichthys antarticus
Ecology: