USGS 10655 (John Gilette Farm), Silverdale, Trent marl, Onslow Co., NC (Miocene of the United States)

Where: Onslow County, North Carolina (34.8° N, 77.2° W: paleocoordinates 35.0° N, 73.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Trent Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, shelly/skeletal, yellow marl and yellow sandstone

• yellow rotten-shell marl, shells are white and lie in a matrix of yellow earthy sand

Size class: macrofossils

Reposited in the USGS

Primary reference: L.B. Kellum. 1926. Paleontology and Stratigraphy of the Castle Hayne and Trent Marls in North Carolina. United States Geological Survey Professional Paper (143)1-56 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 41987: authorized by Arnold Miller, entered by Karen Layou on 22.07.2004, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Arcidae
"Arca (Scapharca) silverdalensis n. sp." = Cunearca silverdalensis
"Arca (Scapharca) silverdalensis n. sp." = Cunearca silverdalensis Kellum 1926 ark
 Arcida - Glycymerididae
Glycymeris anteparilis n. sp. Kellum 1926 clam
 Pectinida - Plicatulidae
Plicatula densata Conrad 1843 scallop
 Carditida - Astartidae
Astarte onslowensis n. sp. Kellum 1926 clam
 Carditida - Crassatellidae
"Crassatellites mississippiensis" = Crassatella (Crassatella) mississippiensis
"Crassatellites mississippiensis" = Crassatella (Crassatella) mississippiensis Conrad 1848 clam
C. mississipiensis var. silverdalensis n. var.
 Carditida - Carditidae
Venericardia nodifera n. sp., "Venericardia (Cyclocardia) granulata" = Cyclocardia granulata
Venericardia nodifera n. sp. Kellum 1926 clam
"Venericardia (Cyclocardia) granulata" = Cyclocardia granulata Say 1824 clam
 Cardiida - Veneridae
"Antigona (Artena) lamellacea n. sp." = Antigona lamellacea, "Venus gardnerae n. sp." = Mercenaria gardnerae, "Venus erecta n. sp." = Mercenaria erecta, Macrocallista minuscula n. sp., Macrocallista tia n. sp.
"Antigona (Artena) lamellacea n. sp." = Antigona lamellacea Kellum 1926 venus clam
"Venus gardnerae n. sp." = Mercenaria gardnerae Kellum 1926 quahog
"Venus erecta n. sp." = Mercenaria erecta Kellum 1926 quahog
Macrocallista minuscula n. sp. Kellum 1926 venus clam
Macrocallista tia n. sp. Kellum 1926 venus clam
 Lucinida - Lucinidae
Phacoides (Pseudomiltha) nocariensis n. sp. Kellum 1926 clam
Gastropoda
 Neogastropoda - Olividae
"Oliva posti" = Oliva (Oliva) posti
"Oliva posti" = Oliva (Oliva) posti Dall 1915 olive snail
 Neogastropoda - Melongenidae
Busycon spiniger Conrad 1865 whelk
B. spiniger var. onslowensis n. var.
 Neogastropoda - Volutidae
Lyria carolinensis n. sp. Kellum 1926 volute
Scaphella stromboidella n. sp. Kellum 1926 volute
 Neogastropoda - Conidae
Conus postalveatus n. sp. Kellum 1926 cone shell
 Naticoidea - Naticidae
Sinum imperforatum Dall 1915 moon snail
 Calyptraeoidea - Calyptraeidae
Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Sorbeoconcha - Turritellidae
Turritella fuerta n. sp. Kellum 1926 turret shell