USGS D9715, Oschwald's clay pit [Merchantville Fm] (Cretaceous of the United States)

Where: Monmouth County, New Jersey (40.4° N, 74.2° W: paleocoordinates 39.5° N, 43.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Merchantville Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Merchantville Fm, which is overlain by the Englishtown Fm. AGE: Early Campanian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, quartzose, silty sandstone

• SPECIFIC LITHOLOGY: Silty quartz sand. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Reposited in the USNM

• COLLECTOR: Not stated in text. REPOSITORY: USNM.

Primary reference: W. J. Kennedy and W. A. Cobban. 1993. Lower Campanian (Upper Cretaceous) ammonites from the Merchantville Formation of New Jersey, Maryland, and Delaware. Journal of Paleontology 67(5):828-849 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88606: authorized by Austin Hendy, entered by Austin Hendy on 16.04.2009, edited by Margaret Shalap

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to ammonoids. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Bivalvia
 Arcida - Cucullaeidae
 Cardiida - Cardiidae
"Cardium tenuistriatum" = Granocardium tenuistriatum
"Cardium tenuistriatum" = Granocardium tenuistriatum Whitfield 1885 cockle
 Hiatellida - Hiatellidae
Gastropoda
 Neogastropoda - Turbinellidae
 Stromboidea - Aporrhaidae
 Naticoidea - Naticidae
"Lunatia halli" = Euspira halli, Gyrodes petrosus
"Lunatia halli" = Euspira halli Gabb 1860 moon snail
Gyrodes petrosus moon snail
 Sorbeoconcha - Turritellidae
 Heterostropha - Ringiculidae
Cephalopoda
 Ammonitida - Pachydiscidae
Pachydiscus (Pachydiscus) sp. Zittel 1884 ammonite
 Ammonitida - Placenticeratidae
Placenticeras placenta DeKay 1828 ammonite
 Ammonitida - Collignoniceratidae
 Ammonitida - Diplomoceratidae
Glyptoxoceras sp. Spath 1925 ammonite