PBDB Collection

USGS 29508, Biggs lower (Cretaceous of the United States)

Also known as Biggs farm locality on the Chesapeake and Delaware canal, about 300 yd west of light 13 and 1.3 miles (airline) due east of St. Georges Bridge.

Where: New Castle County, Delaware (39.6° N, 75.7° W: paleocoordinates 39.0° N, 45.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Mount Laurel Sand Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

Environment/lithology: marine

Reposited in the USGS

• Collected by Buddenhagen, Kauffman, and Sohl 1966

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 6175: authorized by Matt Kosnik, entered by Matt Kosnik on 01.02.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Demospongiae
Clavulina - Clionaidae	Cliona sp. Cliona sp. demosponge Clione sp.
Anthozoa
Scleractinia - Micrabaciidae	"Micrabacia hilgardi" = Micrabacia marylandica "Micrabacia hilgardi" = Micrabacia marylandica Stephenson 1916 stony coral Micrabacia hilgardi Stephenson
Bivalvia
Nuculanida - Malletiidae	Malletia longifrons Malletia longifrons clam Nuculana longifrons (Conrad)
Trigoniida - Megatrigonioidae	"Scabrotrigonia eufaulensis" = Pterotrigonia (Scabrotrigonia) "Scabrotrigonia eufaulensis" = Pterotrigonia (Scabrotrigonia) clam Trigonia eufaulensis Gabb
Trigoniida - Trigoniidae	Trigonia sp. Trigonia sp. Bruguière 1789 clam Trigonia sp.
Carditida - Carditidae	aff. Vetericardiella subcircula aff. Vetericardiella subcircula clam Vetericardia aff. V. subcircula Wade
Cardiida - Arcticidae	Etea sp. Etea sp. Conrad 1873 clam Etea sp.
Cardiida - Veneridae	? Aphrodina eufaulensis ? Aphrodina eufaulensis venus clam Aphrodina? eufaulensis (Conrad) of Wade
Cardiida - Tellinidae	Tellina sp. Tellina sp. Linnaeus 1758 tellin clam Tellina sp.
Cardiida - Cardiidae	aff. Pleuriocardia donohuensis, Cardium sp., aff. Granocardium (Granocardium) kummeli aff. Pleuriocardia donohuensis cockle Cardium aff. C. donohuensis Stephenson Cardium sp. Linnaeus 1758 cockle Cardium spp. aff. Granocardium (Granocardium) kummeli cockle Cardium (Granocardium) aff. C. (G.) kummeli Weller
Poromyida - Poromyidae	Liopistha protexta Liopistha protexta Conrad 1853 clam Liopistha protexia (Conrad)
Lucinida - Lucinidae	Lucina sp. Lucina sp. Bruguière 1797 clam Lucina sp.
Mytilida - Mytilidae	Lithophaga sp. Lithophaga sp. Röding 1798 mussel Lithophaga sp.
Arcida - Glycymerididae	Postligata crenata, Postligata wordeni Postligata crenata clam Postiligata crenata Wade Postligata wordeni clam Postiligata wordeni Gardner
Arcida - Cucullaeidae	Cucullaea sp. Cucullaea sp. Lamarck 1801 clam Cucullaea sp.
Arcida - Arcidae	Breviarca ? richardsi, cf. Arca macnairyensis Breviarca ? richardsi clam Breviarca richardsi Harbison ? cf. Arca macnairyensis ark Arca cf. A. macnairyensis Gabb
Pectinida - Neitheoidae	Neithea quinquecostata Neithea quinquecostata Sowerby 1814 scallop Neithea quinquecostata Sowerby
Pectinida - Pectinoidae	"? Microchlamys (Pecten) venustus" = Dhondtichlamys "? Microchlamys (Pecten) venustus" = Dhondtichlamys scallop Pecten (Pecten?) venustus Morton
Pectinida - Anomiidae	Anomia tellinoides, Paranomia scabra Anomia tellinoides jingle Anomia tellinoides Morton Paranomia scabra scallop Paranomia scabra Morton
Pectinida - Limidae	Pseudolimea reticulata Pseudolimea reticulata file clam Lima reticulata Lyell and Forbes
Ostreida - Ostreidae	Agerostrea mesenterica, Agerostrea falcata, Pycnodonte mutabilis, Exogyra cancellata Agerostrea mesenterica Morton 1834 oyster Lopha mesenterica Morton Agerostrea falcata Morton 1827 oyster Lopha falcata Morton Pycnodonte mutabilis oyster Pyncnodonte mutabilis Morton Exogyra cancellata oyster Exogyra cancellata Stephenson
Myalinida - Inoceramidae	Inoceramus sp. Inoceramus sp. Sowerby 1814 clam Inoceramus sp.
Scaphopoda
Dentaliida - Dentaliidae	Dentalium intercalatum Dentalium intercalatum tusk shell Dentalium intercalatum Wade
Gastropoda
Basommatophora - Siphonariidae	? Anisomyon jessupi ? Anisomyon jessupi pulmonate Anisomyon? jessupi Richards and Shapiro
Opisthobranchia - Scaphandridae	Ellipsoscapha sp. Ellipsoscapha sp. Stephenson 1941 snail Ellipsoscapha sp.
Opisthobranchia - Cylichnidae	Cylichna sp. Cylichna sp. Lovén 1846 snail Cylichna sp.
Cerithioidea - Turritellidae	"Haustator trilira" = Turritella trilira "Haustator trilira" = Turritella trilira Conrad 1860 turret shell Haustator trilira Conrad
Sorbeoconcha - Xenophoridae	"cf. Xenophora leprosa" = Xenophora (Endoptygma) leprosa "cf. Xenophora leprosa" = Xenophora (Endoptygma) leprosa Morton 1834 carrier shell Xenophora cf. X. leprosa Morton
Caenogastropoda - Fasciolariidae	Euspira rectilabrum, Amaurellina stephensoni, Gyrodes ? americanus Euspira rectilabrum Conrad 1858 moon snail Euspira rectilabrum Conrad Amaurellina stephensoni moon snail Amaurellina stephensoni (Wade) Gyrodes ? americanus moon snail Gyrodes americanus Wade?
Seguenzioidea - Eucyclidae	Calliomphalus (Calliomphalus) sp. Calliomphalus (Calliomphalus) sp. Cossmann 1888 snail Calliomphalus (Calliomphalus) sp.
Heterostropha - Acteonidae	Acteon sp. Acteon sp. Montfort 1810 snail Acteon sp.
Heterostropha - Architectonicidae	Margaritella sp. Margaritella sp. Meek and Hayden 1860 snail Margaritella sp.
Heterostropha - Mathildidae	Gegania sp., Mathilda sp. n. sp. Gegania sp. Jeffreys 1884 snail Tuba sp. Mathilda sp. n. sp. Semper 1865 snail Mathilda n. sp. (Owens et al)
Cephalopoda
Belemnitida - Belemnitellidae	Belemnitella americana Belemnitella americana belemnite Belemnitella americana (Morton)
Ammonitida - Baculitidae	Baculites sp. Baculites sp. Lamarck 1799 ammonite Baculites sp.
Polychaeta
Sabellida - Serpulidae	Serpula sp. Serpula sp. Linnaeus 1758 Serpula sp.