Brush Creek (Cretaceous of the United States)

Also known as F11

Where: Harding County, South Dakota (45.6° N, 103.6° W: paleocoordinates 51.8° N, 77.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• lower part of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by D. Winchester, C. Hares, E. Lloyd & E. Parks in 1911–1912

Collection methods: surface (float),

Primary reference: D. E. Winchester, C. J. Hares, E. R. Lloyd and E. M. Parks. 1916. The lignite field of northwestern South Dakota. United States Geological Survey Bulletin 627:1-169 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 150891: authorized by Matthew Carrano, entered by Matthew Carrano on 17.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Nanhsiungchelyidae
? Basilemys sp. Hay 1902 turtle
 Testudines - Trionychidae
Aspideretes sp. Hay 1904 softshell turtle
costal
 Testudinata -
? Compsemys sp. Leidy 1856 turtle
 Ornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
caudal, pedal bone, vertebrae
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
vertebrae