Also known as Claosaurus annectens type, Lance Creek
Where: Niobrara County, Wyoming (43.3° N, 104.5° W: paleocoordinates 49.8° N, 79.3° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by J. B. Hatcher & A. L. Sullins in 1891, 1900; reposited in the CM, USNM
Collection methods: quarrying, surface (in situ), mechanical,
Primary reference: O. C. Marsh. 1892. Notice of new reptiles from the Laramie Formation. American Journal of Science 43:449-453 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 49238: authorized by Matthew Carrano, entered by Matthew Carrano on 11.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Hadrosauridae indet., "Claosaurus annectens n. sp." = Edmontosaurus annectens
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