Where: Logan County, Kansas (38.8° N, 100.9° W: paleocoordinates 42.1° N, 67.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Santonian (85.8 - 83.5 Ma)
• Smoky Hill Chalk Member of the Niobrara Chalk Formation
• bed-level stratigraphic resolution
Environment/lithology: marine; chalk
Size class: macrofossils
Collected by M. C. Bonner
• Accessioned to the museum in April 1969
Primary reference: J. Lindgren, M. W. Caldwell, T. Konishi and L. M. Chiappe. 2010. Convergent evolution in aquatic tetrapods: insights from an exceptional fossil mosasaur. PLoS One 5(8):e11998 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taphonomic analysis
PaleoDB collection 118338: authorized by Philip Mannion, entered by Philip Mannion on 12.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Platecarpus tympaniticus Cope 1869 mosasaur LACM 128319 (near complete skeleton, including soft tissue)
|