Swedesboro (Navesink) (Cretaceous of the United States)

Also known as L&W locality 3d

Where: Gloucester County, New Jersey (39.7° N, 75.3° W: paleocoordinates 40.2° N, 51.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Navesink Formation (Monmouth Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• probably Navesink Fm., though possibly a lower horizon; listed as New Egypt Formation by Baird 1986. "Greensand No. 5."

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; green sandstone

Size class: macrofossils

Collected by E. D. Cope in 1870; reposited in the AMNH

Collection methods: quarrying,

Primary reference: E. D. Cope. 1871. Supplement to the "Synopsis of the Extinct Batrachia and Reptilia of North America". Proceedings of the American Philosophical Society 12:41-52 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53122: authorized by Matthew Carrano, entered by Matthew Carrano on 06.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neornithischia - Hadrosauridae
Hadrosaurus cavatus n. sp. Cope 1871 hadrosaurid
4 caudal vertebrae, AMNH 1390