Mud Creek (CM) (Cretaceous to of the United States)

Where: Wheatland County, Montana (46.3° N, 109.5° W)

• Paleocoordinates: 56.3° N, 66.9° W (Wright 2013)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by W. Utterback, Silberling & E. Douglass in 1903–1904; reposited in the CM

Primary reference: W. J. Holland. 1905. Section of Paleontology. Annual Report of the Director for the Year Ending March 31, 1905 21-25 [M. Carrano/A. Murch/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 142510: authorized by Matthew Carrano, entered by Matthew Carrano on 12.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia -
Ornithischia indet.1
Ornithischia indet.1 ornithischian
CM 281, 324–9, 344–5, 1064, 1066, 1068–9, 1074, 1076, 38343–4, 38353, 38356
 Ornithischia - Hadrosauridae
Hadrosauridae indet.2, Kritosaurus sp.2
Hadrosauridae indet.2 Cope 1869 hadrosaurid
Kritosaurus sp.2 Brown 1910 hadrosaurine
CM 1077
1Horner 1979; 2Lull and Wright 1942