Where: Logan County, Kansas (38.7° N, 101.2° W: paleocoordinates 42.1° N, 67.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Smoky Hill Chalk Member (Niobrara Formation), Santonian (86.3 - 83.6 Ma)
• "probably collected between Marker Unit 15 nd 19"; upper part of member
• bed-level stratigraphic resolution
Environment/lithology: offshore; carbonate
Size class: macrofossils
Preservation: adpression
Collected by C. H. Sternberg in 1918
Primary reference: C. Wiman. 1920. Some reptiles from the Niobrara Group in Kansas. Bulletin of the Geological Institute of the University of Uppsala 18:9-18 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 93391: authorized by Richard Butler, entered by Richard Butler on 18.01.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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