Protoscaphirhynchus

Protoscaphirhynchus Temporal range: Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acipenseriformes
Family:	Acipenseridae
Genus:	†Protoscaphirhynchus Wilimovsky, 1956
Species:	†P. squamosus
Binomial name
†Protoscaphirhynchus squamosus Wilimovsky, 1956

Protoscaphirhynchus squamosus is an extinct sturgeon from the Late Cretaceous of North America. It is known from a single poorly preserved specimen found in the Maastrichtian aged Hell Creek Formation in Montana. Due to its poor preservational state, it has few diagnostic characters.^[1]

1. ^ Hilton, Eric J.; Grande, Lance (2006). "Review of the Fossil Record of Sturgeons, Family Acipenseridae (Actinopterygii: Acipenseriformes), from North America". Journal of Paleontology. 80 (4): 672–683. CiteSeerX 10.1.1.530.9300. doi:10.1666/0022-3360(2006)80[672:ROTFRO]2.0.CO;2. JSTOR 4095104. S2CID 53583501.

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