Subfamily Scaphirhynchinae Bonaparte 1846
Osteichthyes - Acipenseriformes - Acipenseridae
Alternative spelling: Scaphirhynchini
Parent taxon: Acipenseridae according to J. S. Nelson et al. 2016
See also Grande and Bemis 1996 and Grande and Hilton 2006
Sister taxa: Acipenser, Acipenserinae, Boreiosturion, Husinae, Priscosturioninae, Propenser, Propenserinae, Psammorhynchinae, Pseudoscaphirhynchinae
Subtaxa: Protoscaphirhynchus Pseudoscaphirhynchus Scaphirhynchus
Type: Scaphirhynchus
Distribution: found only at Bear Creek/Rock Creek (UMMP) (Cretaceous of Montana)