Cape May Courthouse (520 ft) - Kirkwood Formation (Miocene of the United States)

Where: Cape May County, New Jersey (39.1° N, 74.8° W: paleocoordinates 39.3° N, 70.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Shiloh Marl Member (Kirkwood Formation), Early/Lower Miocene (23.0 - 16.0 Ma)

• No lithostratigraphic details or stratigraphic relationships provided in text. Equivalent in age and slightly older than the Calvert Formaiton of Maryland and Virginia. Overlain by the Cohansey Sand with a time transgressive contact, Kirkwood Formation is Burdigalian-Langhian in age. Collections from a depth of 520 ft.

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified sandstone

• No geologic or paleoenvironmental data reported in text. Deposited in a sublittoral to nearshore environments
• Fossiliferous sandstone and quartzite.

Size class: macrofossils

Collection methods: Collections reposited in the collections of the Historical Museum in Cape May Couty House, and were examined through the courtesy of Mr. Edward Post, Custodian.

Primary reference: H. G. Richards and A. Harbison. 1942. Miocene invertebrate fauna of New Jersey. Proceedings of the Academy of Natural Sciences of Philadelphia 94:167-250 [A. Miller/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59723: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for Gastropoda, Bivalvia and Scaphopoda. Nomenclature is somewhat antiquated but provided to species resolution and authoritative.
Bivalvia
 Pectinida - Pectinoidae
"Pecten madisonius" = Chesapecten madisonius
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop
 Pectinida - Anomiidae
Anomia simplex d'Orbigny 1845 jingle
 Ostreida - Malleidae
"Melina maxillata" = Isognomon maxillata
"Melina maxillata" = Isognomon maxillata Lamarck 1819 oyster
 Mytilida - Mytilidae
 Carditida - Astartidae
Astarte distans Conrad 1862 clam
 Carditida - Crassatellidae
"Eucrassatella melina" = Marvacrassatella melina
"Eucrassatella melina" = Marvacrassatella melina Conrad 1832 clam
 Cardiida - Mactridae
Mactra clathrodon Lea 1833 clam
 Cardiida - Veneridae
"Antigona staminea" = Melosia staminea, "Venus mercenaria" = Mercenaria mercenaria, Macrocallista marylandica
"Antigona staminea" = Melosia staminea Conrad 1838 venus clam
"Venus mercenaria" = Mercenaria mercenaria Linnaeus 1758 quahog
Macrocallista marylandica Conrad 1833 venus clam
 Solenida - Pharidae
Ensis directus Conrad 1844 clam
 Lucinida - Lucinidae
"Phacoides crenulatus" = Parvilucina crenulata
"Phacoides crenulatus" = Parvilucina crenulata Conrad 1840 clam
Gastropoda
 Naticoidea - Naticidae
Sinum fragile, "Polinices duplicata" = Neverita duplicatus
Sinum fragile moon snail
"Polinices duplicata" = Neverita duplicatus Say 1822 moon snail
 Vermetoidea - Vermetidae
"Vermetus graniferus" = Serpulorbis granifera
"Vermetus graniferus" = Serpulorbis granifera Say 1824 worm shell
 Calyptraeoidea - Calyptraeidae
Crepidula fornicata Linnaeus 1758 slipper shell
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Sorbeoconcha - Turritellidae
Turritella cumberlandia Conrad 1863 turret shell
 Pyramidelloidea - Pyramidellidae
Turbonilla interrupta Totten 1835 snail
Echinoidea
 Clypeasteroida - Echinarachniidae
"Echinarachnius sp." = Scutella (Echinarachnius)
"Echinarachnius sp." = Scutella (Echinarachnius) Gray 1825 sand dollar