Also known as martial in place in marshalltown on south side of Chesapeake and Delaware canal, about 100 feet east of summit bridge, Del.
Where: Delaware (39.7° N, 75.7° W: paleocoordinates 39.2° N, 45.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Marshalltown Formation, Late/Upper Campanian (83.5 - 70.6 Ma)
Environment/lithology: marine
Reposited in the USGS
• collected by C. W. Carter 1935-7
Primary reference: J. P. Owens, J. P. Minard, N. F. Sohl and F. James Mello. 1970. Stratigraphy of the outcropping post-Magothy Upper Cretaceous formations in Southern New Jersey an Northern Delmarva peninsula, Delaware and Maryland. USGS Professional Paper 674:1-60 [M. Kosnik/M. Kosnik/M. Kosnik] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 6154: authorized by Matt Kosnik, entered by Matt Kosnik on 30.01.2000