W. J. Thompson marl pit (Pliocene of the United States)

Also known as L&W locality 5b

Where: Sampson County, North Carolina (35.1° N, 78.2° W: paleocoordinates 35.2° N, 77.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Duplin Formation, Pliocene (5.3 - 2.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; blue marl

• transition zone/lower shoreface
• blue marl

Size classes: macrofossils, mesofossils

Collected by Kerr; reposited in the USNM

Primary reference: E. D. Cope. 1869. [Remarks on Eschrichtius polyporus, Hypsibema crassicauda, Hadrosaurus tripos, and Polydectes biturgidus]. Proceedings of the Academy of Natural Sciences of Philadelphia 21:191-192 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 71155: authorized by Mark Uhen, entered by Mark Uhen on 20.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia -
"Polydectes biturgidus" = Deinosuchus rugosus
"Polydectes biturgidus" = Deinosuchus rugosus Emmons 1858 crocodilian
Mammalia
 Cetacea - Balaenopteridae
Hadrosaurus tripos n. sp. Cope 1869 rorqual