Where: Montgomery County, Pennsylvania (40.2° N, 75.5° W: paleocoordinates 14.7° N, 20.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Weehawken Member (Lockatong Formation), Norian (228.0 - 208.5 Ma)
• Approx. 100-200 m below the Gwynedd horizon and 1100 m belw members E-F of the Passaic Formation
• bed-level stratigraphic resolution
Environment/lithology: lacustrine - small; bioturbated, calcareous siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression, trace
Collected by Olsen & Banach in 1983; 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 55415: authorized by Matthew Carrano, entered by Kaitlin Maguire on 20.10.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Rhynchosauroides hyperbates Baird 1957 squamates | |
| |
"Atreipus milfordensis" = Grallator tuberosus
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