Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Chondrostei
Ordo: Acipenseriformes
Familia: Acipenseridae
Subfamilia: †Priscosturioninae
Genera: Priscosturion
References
Grande, L.; Hilton, E.J. 2006: An exquisitely preserved skeleton representing a primitive sturgeon from the Upper Cretaceous Judith River Formation of Montana (Acipenseriformes: Acipenseridae: n. gen. and sp.) Memoir of the journal of paleontology, 65: 1–39.
Grande, L.; Hilton, E.J. 2009: A replacement name for †Psammorhynchus Grande & Hilton, 2006 (Actinopterygii, Acipenseriformes, Acipenseridae). Journal of paleontology, 83: 317–318. DOI: 10.1666/08-137.1
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