Where: Sioux County, North Dakota (46.4° N, 100.8° W: paleocoordinates 52.1° N, 73.3° W)

When: Timber Lake Member (Fox Hills Formation), Maastrichtian (72.1 - 66.0 Ma)

Environment/lithology: marine; medium-grained sandstone

Size class: macrofossils

Primary reference: R. M. Feldmann, E. E. B. Awotua, and J. Welshenbaugh. 1976. Necrocarcinus siouxensis a New Species of Calappid Crab (Crustacea: Decapoda) from the Fox Hills Formation (Cretaceous: Maastrichtian) of North Dakota. Journal of Paleontology 50(5):985-990 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 207337: authorized by Mark Uhen, entered by Mark Uhen on 07.01.2020

Creative Commons license: CC BY (attribution)