Niobrara (Cretaceous of the United States)
Also known as Protostega advena type locality
Where: Logan County, Kansas (38.9° N, 101.1° W: paleocoordinates 42.3° N, 67.6° W)
• coordinate based on nearby landmark
When: Smoky Hill Chalk Member (Niobrara Formation), Santonian (86.3 - 83.6 Ma)
Environment/lithology: marine; chalk
Size class: macrofossils
Collection methods: Collection of Kansas University
Primary reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 203742: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 23.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Reptilia | |
"Protostega advena n. sp." = Chelosphargis advena
"Protostega advena n. sp." = Chelosphargis advena Hay 1908 sea turtle KUVP 1209, plastron, twelve marginalia, two or three neuralia, and portions of two costal plates
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