Also known as Russell Springs
Where: Logan County, Kansas (38.8° N, 101.0° W: paleocoordinates 42.2° N, 67.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Smoky Hill Chalk Member (Niobrara Formation), Santonian (86.3 - 83.6 Ma)
• upper part of member
• bed-level stratigraphic resolution
Environment/lithology: coastal; chalk
Size class: macrofossils
Collected by C. H. Sternberg in 1917; reposited in the USNM
Collection methods: quarrying, surface (in situ), mechanical,
Primary reference: D. A. Russell. 1967. Systematics and morphology of American mosasaurs (Reptilia, Sauria). Bulletin of the Peabody Museum of Natural History 23:1-252 [M. Carrano/H. Street/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 191649: authorized by Matthew Carrano, entered by Matthew Carrano on 06.02.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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