Where: Gloucester County, New Jersey (39.8° N, 75.4° W: paleocoordinates 39.2° N, 45.3° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Marshalltown Formation, Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
• "Locality 4"
• formation-level stratigraphic resolution
Environment/lithology: terrestrial; glauconitic, sandy, calcareous shale
Size class: macrofossils
Primary reference: M. R. Bernstein. 1988. Local invertebrate assemblages in the Upper Cretaceous Marshallton Formation along the valley of Oldmans Creek in southern New Jersey. Northeastern Geology 10(3):202-215 [M. Patzkowsky/K. Layou]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 3877: authorized by Mark Patzkowsky, entered by Karen Layou on 11.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
Cliona cretacica demosponge | |
Gastropoda | |
Turritella encrinoides turret shell | |
Pyropsis sp. Conrad 1860 snail | |
Turbinella intermedia snail | |
Anchura pennata snail | |
Gyrodes petrosus moon snail | |
Avellana bullata snail | |
Bivalvia | |
| |
Crassatella vadosa Morton 1834 clam | |
Clavagella armata Morton 1833 clam | |
Panopea descisa clam | |
Veniella trapezoidea clam
Veniella conradi Morton 1833 clam | |
Cyprimeria excavata venus clam | |
Trachycardium tenuistriatum cockle | |
Cucullaea neglecta clam | |
| |
Gryphaeostrea vomer Morton 1828 oyster
Pycnodonte vesicularis Lamarck 1806 oyster
Exogyra ponderosa oyster | |
Agerostrea falcata Morton 1827 oyster | |
Lima reticulata Forbes 1845 file clam
Plagiostoma erecta file clam | |
Paranomia scabra scallop | |
Camptonectes bellisculptus, Camptonectes burlingtonensis, Pecten quinquenarius, Chlamys whitfieldi, Chlamys michellesmithi n. sp.
Camptonectes bellisculptus scallop
Camptonectes burlingtonensis scallop
Pecten quinquenarius scallop
Chlamys whitfieldi scallop
Chlamys michellesmithi n. sp. scallop "michellesmithi n. ssp." Chlamys whitfieldi michellesmithi - originally entered as "Chlamys michellesmithi n. ssp."
| |
Neithea quinquecostata Sowerby 1814 scallop | |
Polychaeta | |
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