PBDB Collection

USGS 17749 (Cretaceous of the United States)

Also known as South side of Chesapeake and Delaware canal at station 55+500

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

Preservation: concretion

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 6135: 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

Polychaeta
Serpulimorpha -	Hamulus major Hamulus major Hamulus major Gabb
Sedentaria
Sabellida - Serpulidae	Serpula sp. Serpula sp. Linnaeus 1758 Serpula sp.
Gastropoda
Seguenzioidea - Eucyclidae	Calliomphalus (Calliomphalus) paucispirilus Calliomphalus (Calliomphalus) paucispirilus Sohl 1964 snail Calliomphalus (Calliomphalus) paucispirilus Sohl
Heterostropha - Acteonidae	Acteon sp., Nonactaeonina sp. Acteon sp. Montfort 1810 snail Acteon sp. Nonactaeonina sp. snail Nonactaeonina sp.
Cerithioidea - Turritellidae	Turritella merchantvillensis, Laxispira lumbricalis Turritella merchantvillensis turret shell Turritella merchantvillensis Weller Laxispira lumbricalis Gabb 1877 turret shell Laxispira lumbricalis Gabb
Sorbeoconcha - Naticidae	Gyrodes sp., Euspira sp. Gyrodes sp. Conrad 1860 moon snail Gyrodes sp. Euspira sp. Agassiz 1837 moon snail Euspira sp.
Sorbeoconcha - Ranellidae	? Cantharulus sp. ? Cantharulus sp. Meek 1876 triton shell Cantharulus ? sp.
Neogastropoda - Melongenidae	Pyrifusus sinuocostatus Pyrifusus sinuocostatus Sohl 1964 snail Pyrifusus sinucostatus Sohl
Neogastropoda - Muricidae	? Ecphora sp. ? Ecphora sp. Conrad 1843 murex snail Ecphora ? sp.
Neogastropoda - Turbinellidae	Napulus sp. n. sp. Napulus sp. n. sp. Stephenson 1941 snail Napulus n. sp. (Owens et al)
Neogastropoda - Cancellariidae	Caveola sp. Caveola sp. Stephenson 1941 snail Caveola sp.
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 - Xenophoridae	Xenophora sp. Xenophora sp. Fischer von Waldheim 1807 carrier shell Xenophora sp.
Sorbeoconcha - Aporrhaidae	Graciliala johnsoni, "cf. Arrhoges (Latiala) lobata" = Latiala lobata, aff. Pterocerella poinsettiformis Graciliala johnsoni Stephenson 1923 snail Graciliala johnsoni (Stephenson) "cf. Arrhoges (Latiala) lobata" = Latiala lobata Wade 1926 snail Arrhoges (Latiala) cf. A. (L.) lobata (Wade) aff. Pterocerella poinsettiformis Stephenson 1941 snail Pterocerella aff. P. poinsettiformis Stephenson
Architaenioglossa - Ampullinidae	Pseudamaura lepta Pseudamaura lepta Sohl 1964 snail Pseudamaura lepta Sohl
Cephalopoda
Ammonitida - Placenticeratidae	Placenticeras placenta Placenticeras placenta DeKay 1828 ammonite Placenticeras placenta (Dekay)
Bivalvia
Nuculanida - Nuculanidae	cf. Nuculana compressifrons cf. Nuculana compressifrons pointed nut clam Nuculana cf. N. compressifrons (Whitfield)
Nuculida - Nuculidae	Leionucula ? whitfieldi, Nucula percrassa Leionucula ? whitfieldi nut clam Nucula whitfieldi Weller? Nucula percrassa nut clam Nucula slackiana (Gabb)
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
Ostreida - Flemingostreidae	Agerostrea mesenterica Agerostrea mesenterica Morton 1834 oyster Ostrea mesenterica Morton
Ostreida - Ostreidae	Ostrea sp. Ostrea sp. Linnaeus 1758 oyster Ostrea sp.
Pectinida - Entoliidae	Syncyclonema conradi Syncyclonema conradi scallop Syncyclonema conradi (Whitfield)
Pectinida - Neitheoidae	Neithea quinquecostata Neithea quinquecostata Sowerby 1814 scallop Neithea quinquecostata (Sowerby) of Weller
Carditida - Carditidae	Vetericardiella sp. Vetericardiella sp. Chavan 1969 clam Vetericardia sp.
Carditida - Crassatellidae	Crassatella sp. Crassatella sp. Lamarck 1799 clam Crassatella sp.
Pholadida - Corbulidae	Caestocorbula crassiplica, Caryocorbula sp. Caestocorbula crassiplica Gabb 1860 clam Caesticorbula crassiplica (Gabb) Caryocorbula sp. Gardner 1926 clam Caryocorbula sp.
Cardiida - Arcticidae	Etea sp., Veniella conradi Etea sp. Conrad 1873 clam Etea sp. Veniella conradi Morton 1833 clam Veniella conradi Weller non Conrad
Cardiida - Veneridae	Cyprimeria sp. Cyprimeria sp. Conrad 1864 venus clam Cyprimeria sp.
Cardiida - Tellinidae	"Linearia magnoliensis" = Linearis "Linearia magnoliensis" = Linearis tellin clam Linearia magnoliense Stephenson
Cardiida - Cardiidae	Granocardium (Granocardium) tenuistriatum, Granocardium (Granocardium) dumosum Granocardium (Granocardium) tenuistriatum Whitfield 1885 cockle Cardium (Granocardium) tenuistriatum (Whitfield) Granocardium (Granocardium) dumosum Conrad 1870 cockle Cardium (Granocardium) dumosum Conrad
Poromyida - Poromyidae	cf. Liopistha protexta, Cymella bella cf. Liopistha protexta Conrad 1853 clam Liopistha cf. L. protexta (Conrad) Cymella bella clam Cymella bella Conrad