LOCKLEY & SCHUMACHER, 2014

Locality: John Martin Reservoir, Bent County, Colorado

Horizon: "Dakota" Group.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Late Early Cretaceous Epoch-Cenomanian Stage, late Middle Gallic Subepoch, Ealry Gulf Epoch, Middle Cretaceous.

Material:

CU 204.11: Swim tracks.

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LOCKLEY, SIMMONS & DAGGET, 2014

Locality: Golden Area, Northern end of the Dinosaur Ridge hogback, about 1 mile (1.6 km) south of the Lena Gulch, Jefferson County, Colorado.

Horizon: "Dakota" Group.

Biostratigraphy:

Age: Early Cretaceous.

Material:

In situ: Pes swim tracks.

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