PBDB Collection

USGS 17702 (Cretaceous of the United States)

Also known as south side of Chesapeake and Delaware canal, 100yd west of Penn Central Railroad's bridge

Where: Delaware (39.5° N, 75.7° W: paleocoordinates 39.0° N, 45.6° 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 6146: authorized by Matt Kosnik, entered by Matt Kosnik on 30.01.2000, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Demospongiae
Clavulina - Clionaidae	Cliona sp. Cliona sp. demosponge Clione sp.
Gastropoda
Sorbeoconcha - Cypraeidae	Bernaya (Bernaya) burlingtonensis Bernaya (Bernaya) burlingtonensis Schilder 1932 cowry Cypraea cf. C. mortoni
Sorbeoconcha - Aporrhaidae	? Anchura sp. ? Anchura sp. Conrad 1860 snail Anchura ? sp.
Neogastropoda - Melongenidae	? Pyrifusus sp. ? Pyrifusus sp. Conrad 1858 snail Pyrifusus ? sp.
Neogastropoda - Volutidae	Longoconcha sp., Volutomorpha sp. Longoconcha sp. Stephenson 1941 volute Longoconcha sp. Volutomorpha sp. Gabb 1877 volute Volutomorpha sp.
Neogastropoda - Pyropsidae	Pyropsis sp. Pyropsis sp. Conrad 1860 snail Pyropsis sp.
Sorbeoconcha - Capulidae	Capulus sp. n. sp. Capulus sp. n. sp. Monfort 1810 snail Capulus n. sp. (Owens et al)
Cerithioidea - Potamididae	cf. Tympanotonos cretacea cf. Tympanotonos cretacea horn snail Melanatria ? cf. M. cretacea Wade
Cerithioidea - Turritellidae	Turritella sp., Turritella quadrilira Turritella sp. Lamarck 1799 turret shell Turritella sp. Turritella quadrilira Johnson 1898 turret shell Haustator quadrilira Johnson
Heterostropha - Ringiculidae	Avellana bullata Avellana bullata snail Avellana bullata (Morton)
Bivalvia
Arcida - Cucullaeidae	cf. Cucullaea tippana cf. Cucullaea tippana Conrad 1858 clam Cucullaea cf. C. tippana Conrad of Weller
Ostreida - Gryphaeidae	Exogyra ponderosa, Exogyra sp., ? Gryphaeostrea sp., Pycnodonte mutabilis, Pycnodonte sp. Exogyra ponderosa oyster Exogyra ponderosa Roemer Exogyra sp. Say 1820 oyster Exogyra sp. ? Gryphaeostrea sp. Conrad 1865 oyster Gryphaeostrea ? sp. Pycnodonte mutabilis oyster Pyncnodonte mutabilis Morton Pycnodonte sp. Fischer von Waldheim 1835 oyster Gryphaea sp. - owens
Ostreida - Flemingostreidae	Agerostrea mesenterica, Agerostrea falcata Agerostrea mesenterica Morton 1834 oyster Ostrea mesenterica Morton Agerostrea falcata Morton 1827 oyster Lopha falcata (Morton)
Pectinida - Limidae	cf. Pseudolimea kerri cf. Pseudolimea kerri file clam Lima cf. L. kerri Stephenson
Pectinida - Neitheoidae	Neithea quinquecostata Neithea quinquecostata Sowerby 1814 scallop Neithea quinquecostata Sowerby of Weller
Cardiida - Cardiidae	Granocardium (Granocardium) dumosum, Cardium sp. Granocardium (Granocardium) dumosum Conrad 1870 cockle Cardium (Granocardium) dumosum Conrad Cardium sp. Linnaeus 1758 cockle Cardium spp.
Cardiida - Veneridae	Cyprimeria excavata Cyprimeria excavata venus clam Cyprimeria excavata (Morton)
Lucinida - Mactromyidae	cf. Unicardium umbonatum cf. Unicardium umbonatum clam Umbonicardium cf. U. umbonatum (Whitfield)
Carditida - Crassatellidae	Crassatella sp., cf. Crassatella vadosa Crassatella sp. Lamarck 1799 clam Crassatella sp. cf. Crassatella vadosa Morton 1834 clam Crassatella cf. C. vadosa Morton
Trigoniida - Megatrigonioidae	"Scabrotrigonia thoracia" = Pterotrigonia (Scabrotrigonia) "Scabrotrigonia thoracia" = Pterotrigonia (Scabrotrigonia) clam Trigonia thoracia Morton of Weller