Wingspread tracksite (Triassic of the United States)

Where: Berks County, Pennsylvania (40.3° N, 75.8° W: paleocoordinates 14.8° N, 20.7° W)

• coordinate estimated from map

• 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 84114: authorized by Matthew Carrano, entered by Matthew Carrano on 17.09.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Grallatoridae
Grallator sp. Hitchcock 1858 theropod
 Pseudosuchia - Gwyneddichniidae
Gwyneddichnium sp. Bock 1952 archosaur
 Pseudosuchia - Chirotheriidae
Brachychirotherium sp. Beurlen 1950 archosaur
 Squamata -
Rhynchosauroides sp. Maidwell 1911 squamates