Where: Logan County, Kansas (38.9° N, 101.3° W: paleocoordinates 42.3° N, 67.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Santonian (85.8 - 83.5 Ma)
• Specimen probably collected between Marker Units 18 and 20 (Bennett 1994); upper part of member
• bed-level stratigraphic resolution
Environment/lithology: offshore; gray shale
Size class: macrofossils
Collected by Marsh in 1870, 1871; reposited in the YPM
Collection methods: quarrying,
Primary reference: O. C. Marsh. 1872. Discovery of additional remains of Pterosauria, with descriptions of two new species. American Journal of Science, Series 3 3:241-248 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 93218: authorized by Richard Butler, entered by Richard Butler on 08.01.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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