Osteichthyes - Acipenseriformes - Acipenseridae

Full reference: N. J. Wilimovsky. 1956. Protoscaphirhynchus squamosus, a new sturgeon from the Upper Cretaceous of Montana. Journal of Paleontology 30(5):1205-1208

Parent taxon: Scaphirhynchini according to L. Grande and W. E. Bemis 1996

See also Bryant 1989, Estes 1969, Grande and Hilton 2006, Sepkoski 2002 and Wilimovsky 1956

Sister taxa: Pseudoscaphirhynchus, Scaphirhynchus

Subtaxa: Protoscaphirhynchus squamosus

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Type: Protoscaphirhynchus squamosus

Ecology: aquatic carnivore

Distribution: found only at Bear Creek/Rock Creek (UMMP) (Cretaceous of Montana)

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Specimen images are retrieved through the ePANDDA API.