Where: Berks County, Pennsylvania (40.3° N, 75.8° W: paleocoordinates 14.8° N, 20.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Passaic Formation (Chatham Group), Norian (228.0 - 208.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (in situ),

Primary reference: S. M. Silvestri and M. J. Szajna. 1993. Biostratigraphy of vertebrate footprints in the Late Triassic section of the Newark Basin, Pennsylvania: reassessment of stratigraphic ranges. In S. G. Lucas and M. Morales (eds.), The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3:439-445 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 84113: authorized by Matthew Carrano, entered by Matthew Carrano on 17.09.2008

Creative Commons license: CC BY (attribution)