Shelbourne Square tracksite (Triassic of the United States)

Also known as Ames

Where: Pennsylvania (40.3° N, 75.8° W: paleocoordinates 19.1° N, 21.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: NN/OO Member (Passaic Formation), Rhaetian (208.5 - 201.3 Ma)

• early Rhaetian

• member-level stratigraphic resolution

Environment/lithology: lacustrine; brown, red siltstone

• "mudflat environment exposed by receding lake waters"
• "brown and reddish-brown siltstone"

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (float), 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 62767: authorized by Matthew Carrano, entered by Matthew Carrano on 27.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Eubrontidae
"Grallator sp." = Grallator (Eubrontes)
"Grallator sp." = Grallator (Eubrontes) Hitchcock 1845 theropod
 Pseudosuchia - Chirotheriidae
Brachychirotherium sp. Beurlen 1950 archosaur