PHYTOSAUR family?

MARTIN & HASIOTIS, 1998, MARTIN, HASIOTIS, BONUSO, SHIPMAN, PYLE & ROCCO, 1997

Locality: Petrified Forest National Park, Apache County, Arizona.

Horizon: Newspaper Sandstone Bed, Monitor Butte Member, Chinle Formation.

Biostratigraphy:

Age: Late Triassic.

Material:

Number: Not given: 12 footprints with 4 missing prints.

Note: Point-bar to lateral chute channel deposit.
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Nests?

HASIOTIS & MARTIN, 1999

Locality: Flattops Sandstone, Petrified Forest National Park, Apache County, Arizona.

Horizon: Petrified Forest Member.

Biostratigraphy:

Age: Late Triassic.

Material:

Numbers: Not given: 100 pits.