USGS 17754 (Cretaceous of the United States)

Also known as South side of Chesapeake and Delaware canal at station 62+550

Where: Delaware (39.5° N, 75.7° W: paleocoordinates 39.0° N, 45.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Merchantville Formation, Early/Lower 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 6124: authorized by Matt Kosnik, entered by Matt Kosnik on 28.01.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Serpulimorpha -
Hamulus major
Hamulus major Gabb
Gastropoda
 Cerithioidea - Turritellidae
Laxispira lumbricalis Gabb 1877 turret shell
Laxispira lumbricalis Gabb
 Sorbeoconcha - Naticidae
Gyrodes sp. Conrad 1860 moon snail
Gyrodes sp.
 Neogastropoda - Paladmetidae
cf. Paladmete cancellaria Conrad 1858 snail
Paladmete cf. P. cancellaria Conrad
 Sorbeoconcha - Aporrhaidae
Arrhoges (Latiala) sp. Gabb 1868 snail
Arrhoges (Latiala) sp.
Bivalvia
 Poromyida - Poromyidae
Cymella bella clam
Cymella bella Conrad
 Pholadida - Corbulidae
Caestocorbula crassiplica Gabb 1860 clam
Caesticorbula crassiplica (Gabb)
 Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801 clam
Idonearca sp. - owens