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Little Nishisakawick Creek (tracks) (Triassic of the United States)

Where: Hunterdon County, New Jersey (40.5° N, 75.1° W: paleocoordinates 15.1° N, 20.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Graters Member (Passaic Formation), Norian (221.5 - 205.6 Ma)

• lower division (G) of the Graters Member, Newark Basin

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; gray siltstone

Size class: macrofossils

Preservation: mold/impression, trace

Collected by P. E. Olsen in 1971; reposited in the YPM

Collection methods: quarrying, surface (in situ),

Primary reference: P. E. Olsen and D. Baird. 1986. The ichnogenus Atreipus and its significance for Triassic biostratigraphy. In: K. Padian (ed.), The Beginning of the Age of Dinosaurs: Faunal Changes Across the Triassic-Jurassic Boundary. Cambridge University Press, Cambridge 61-87 [M. Carrano/K. Maguire/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55411: authorized by Matthew Carrano, entered by Kaitlin Maguire on 19.10.2005

Creative Commons license: CC BY (attribution)