<nowiki>Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; Pterygocephalus paradoxus; espèce éteinte et fossile de poissons; Art der Gattung Pterygocephalus</nowiki>