PBDB Collection

USGS 17738 (Cretaceous of the United States)

Also known as South side of Chesapeake and Delaware canal at station 62+000

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 6130: authorized by Matt Kosnik, entered by Matt Kosnik on 28.01.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Cephalopoda
Ammonitida - Placenticeratidae	Placenticeras placenta Placenticeras placenta DeKay 1828 ammonite Placenticeras placenta (Dekay)
Ammonitida - Baculitidae	Baculites sp. Baculites sp. Lamarck 1799 ammonite Baculites sp.
Gastropoda
Architaenioglossa - Ampullinidae	Pseudamaura lepta Pseudamaura lepta Sohl 1964 snail Pseudamaura lepta Sohl
Cerithioidea - Cerithiidae	cf. Cerithium weeksi cf. Cerithium weeksi Wade 1926 cerith snail Cerithium cf. C. weeksi Wade
Cerithioidea - Turritellidae	Turritella merchantvillensis, Turritella quadrilira, Laxispira lumbricalis Turritella merchantvillensis turret shell Turritella merchantvillensis Weller Turritella quadrilira Johnson 1898 turret shell Haustator quadrilira (Johnson) Laxispira lumbricalis Gabb 1877 turret shell Laxispira lumbricalis Gabb
Neogastropoda - Paladmetidae	Paladmete sp. n. sp., cf. Paladmete cancellaria Paladmete sp. n. sp. Gardner 1916 snail Paladmete n. sp. (Owens et al) cf. Paladmete cancellaria Conrad 1858 snail Paladmete cf. P. cancellaria Conrad
Sorbeoconcha - Aporrhaidae	cf. Tundora tuberculata, ? Anchura sp., Graciliala sp., Graciliala johnsoni cf. Tundora tuberculata Stephenson 1941 snail Tundora cf. C. tuberculata Stephenson ? Anchura sp. Conrad 1860 snail Anchura ? sp. Graciliala sp. Sohl 1960 snail Graciliala sp. Graciliala johnsoni Stephenson 1923 snail Graciliala johnsoni (Stephenson)
Heterostropha - Acteonidae	Acteon sp. Acteon sp. Montfort 1810 snail Acteon sp.
Bivalvia
Poromyida - Poromyidae	Cymella bella Cymella bella clam Cymella bella Conrad
Pholadomyida - Pholadomyidae	Pholadomya occidentalis Pholadomya occidentalis Morton clam Pholadomya occidentalis (Morton)
Cardiida - Tellinidae	"Linearia magnoliensis" = Linearis, "Linearia contracta" = Linearis "Linearia magnoliensis" = Linearis tellin clam Linearia magnoliense Stephenson "Linearia contracta" = Linearis tellin clam Linearia contracta Whitfield
Cardiida - Cardiidae	Cardium sp. Cardium sp. Linnaeus 1758 cockle Cardium spp.
Pectinida - Entoliidae	Syncyclonema simplicius, Syncyclonema conradi Syncyclonema simplicius scallop Syncyclonema simplicius (Conrad) Syncyclonema conradi scallop Syncyclonema conradi (Whitfield)
Ostreida - Pinnidae	Pinna sp. Pinna sp. Linnaeus 1758 oyster Pinna sp.
Arcida - Arcidae	cf. Breviarca haddonfieldensis cf. Breviarca haddonfieldensis clam Breviarca cf. B. haddonfieldensis Stephenson
Arcida - Cucullaeidae	Cucullaea sp. Cucullaea sp. Lamarck 1801 clam Idonearca sp. - owens