| Protoscaphirhynchus Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| 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]
See also
References
- ↑ 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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