Where: New Castle County, Delaware (39.5° N, 75.7° W: paleocoordinates 39.0° N, 45.7° W)
• coordinate stated in text
• local area-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 part of formation.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, quartzose, silty sandstone
Size class: macrofossils
Preservation: mold/impression
Reposited in the USNM
Collection methods: salvage,
• 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 88609: authorized by Austin Hendy, entered by Austin Hendy on 16.04.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Scaphites (Scaphites) hippocrepis" = Scaphites hippocrepis
"Scaphites (Scaphites) hippocrepis" = Scaphites hippocrepis DeKay 1828 ammonite | |
Menabites (Delawarella) delawarensis Morton 1830 ammonite
Submortoniceras uddeni Young 1963 ammonite | |
Placenticeras placenta DeKay 1828 ammonite | |
Pseudoschloenbachia (Pseudoschloenbachia) cf. chispaensis Adkins 1929 ammonite |