Avalon (700-815 ft) - Kirkwood Formation (Miocene of the United States)

Where: Cape May County, New Jersey (39.1° N, 74.7° W: paleocoordinates 39.3° N, 70.3° 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 between depths of 700 and 815 ft

• group of beds-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: Reposited in the ANSP collections. From Richards and Harbison (1943): "The Woolman Collection yielded miocene fossils between the depths of 375 amd 815 ft in an Avalon well. Unfortunately, the best collection of shells has no data as to depth.

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 59759: 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
 Lucinida - Lucinidae
"Phacoides crenulatus" = Parvilucina crenulata
"Phacoides crenulatus" = Parvilucina crenulata Conrad 1840 clam
 Cardiida - Mactridae
Mactra clathrodon Lea 1833 clam
 Carditida - Carditidae
"Venericardia granulata" = Cyclocardia granulata
"Venericardia granulata" = Cyclocardia granulata Say 1824 clam
Gastropoda
 Neotaenioglossa - Calyptraeidae
Calyptraea sp. Lamarck 1799 slipper shell