Friendship Home tracksite (Triassic of the United States)

Where: Berks County, Pennsylvania (40.3° N, 75.8° W: paleocoordinates 19.1° N, 21.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Passaic Formation (Chatham Group), Rhaetian (208.5 - 201.3 Ma)

• uppermost part of formation

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; brown, gray, green claystone and brown, gray, red claystone

• layers include green, gray and light brownish gray as well as red-brown and grayish-brown ?claystones

Size class: macrofossils

Preservation: cast

Collection methods: surface (in situ),

Primary reference: M. J. Szajna and A. M. Silvestri. 1996. A new occurrence of the ichnogenus Brachychirotherium: implications for the Triassic–Jurassic mass extinction event. In M. Morales (ed.), The Continental Jurassic. Museum of Northern Arizona Bulletin 60:275-283 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 132244: authorized by Matthew Carrano, entered by Matthew Carrano on 10.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• two new taxa (A and B) are proposed but neither named nor assigned to higher taxonomic groups.
Show authors, comments, and common names
Reptilia
 Squamata -
Rhynchosauroides sp.
Rhynchosauroides sp. Maidwell 1911 squamates
 Theropoda - Grallatoridae
Grallator sp.
Grallator sp. Hitchcock 1858 theropod
 Pseudosuchia - Chirotheriidae
Brachychirotherium sp.
Brachychirotherium sp. Beurlen 1950 archosaur