Also known as L&W locality 45
Where: Logan County, Kansas (38.9° N, 101.1° W: paleocoordinates 41.9° N, 67.4° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 83.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; blue shale
Size class: macrofossils
Collected by O. C. Marsh in 1871; reposited in the YPM
Collection methods: quarrying, mechanical,
Primary reference: O. C. Marsh. 1872. Notice of a new species of Hadrosaurus. American Journal of Science and Arts 3:301 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 28369: authorized by Matthew Carrano, entered by Matthew Carrano on 10.02.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Hadrosaurus agilis n. sp." = Claosaurus agilis
|