Near Milton (Cretaceous of the United States)

Where: Cavalier County, North Dakota (48.6° N, 98.0° W: paleocoordinates 52.8° N, 62.3° W)

• coordinate based on nearby landmark

When: Niobrara Formation (Colorado Group), Campanian (83.6 - 72.1 Ma)

• "probably from the Niobrara chalk near Milton"

• bed-level stratigraphic resolution

Environment/lithology: marine; chalk

Size class: macrofossils

Primary reference: S. W. Williston. 1902. Notes on some new or little-known extinct reptiles. Kansas University Science Bulletin 1(9):247-254 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 107427: authorized by Matthew Carrano, entered by Hallie Street on 08.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Mosasauridae
Platecarpus sp. Cope 1869 mosasaur
hind paddle