Also known as MWC locality number L-2012-13

Where: Rio Blanco County, Colorado (40.0° N, 108.8° W: paleocoordinates 47.5° N, 80.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Williams Fork Formation (Mesaverde Group), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• Lower part of the middle third of the Williams Fork Formation of the “Mesaverde Group” (Campanian), base of what is possibly “Sandstone C” of Noll (1988); updated in Brand et al. 2022 based on new sections to base of Sandstone C, unit 6

• bed-level stratigraphic resolution

Environment/lithology: channel lag; sandstone

Size classes: macrofossils, mesofossils

Collection methods: bulk, quarrying, surface (float), surface (in situ), chemical, sieve,

Primary reference: J. R. Foster and R. K. Hunt-Foster. 2015. First report of a giant neosuchian (Crocodyliformes) in the Williams Fork Formation (Upper Cretaceous: Campanian) of Colorado. Cretaceous Research 55:66-73 [P. Mannion/P. Mannion/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167302: authorized by Philip Mannion, entered by Philip Mannion on 11.03.2015, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)