Where: Jewell County County, Kansas (39.7° N, 98.2° W: paleocoordinates 41.2° N, 63.9° W)
• coordinate based on nearby landmark
When: Fort Hays Limestone Member (Niobrara Formation), Early/Lower Coniacian (89.3 - 85.8 Ma)
• "Fort Hays limestones, or more basal strata of the Niobrara Cretaceous" (Williston 1906, p. 233)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected by B. F. Mudge in 1874; reposited in the YPM
Primary reference: S. W. Williston. 1906. North American plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus. The American Journal of Science, series 4 21:221-236 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 117844: authorized by Roger Benson, entered by Roger Benson on 27.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Elasmosaurus nobilis n. sp." = Thalassonomosaurus nobilis
"Elasmosaurus nobilis n. sp." = Thalassonomosaurus nobilis Williston 1906 elasmosaur YPM 1640 (holotype, partial postcranium)
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