Where: Burleigh County, North Dakota (46.7° N, 100.4° W: paleocoordinates 51.7° N, 75.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cannonball Formation, Danian (66.0 - 61.6 Ma)

• Found weathered out and lying loose, especially near the upper part of the exposed section

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified sandstone

Size class: macrofossils

Collected by W.W. Arneson, F.D. Holland, A.M. Cvancara in 1954, 1955; reposited in the USNM

• Other repository: University of North Dakota

Primary reference: F. D. Holland and A. M. Cvancara. 1958. Crabs from the Cannonball Formation (Paleocene) of North Dakota. Journal of Paleontology 32:495-505 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 206136: authorized by Mark Uhen, entered by Mark Uhen on 31.10.2019, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)