USGS 7809, 10633 (Atlantic Coast Line RR bridge), Castle Hayne marl, NC (Eocene of the United States)

Where: Jones County, North Carolina (35.0° N, 77.0° W: paleocoordinates 34.9° N, 66.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Castle Hayne Formation, Middle Eocene (48.6 - 37.2 Ma)

• The Castle Hayne is described as Jackson (Eocene) in age. Age after Ward et al. 1978.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal grainstone and sandstone

• solid bed of rotten oyster shells in a matrix of buff 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 41979: authorized by Arnold Miller, entered by Karen Layou on 22.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
"Ostrea trigonalis" = Gigantostrea trigonalis
"Ostrea trigonalis" = Gigantostrea trigonalis Conrad 1854 oyster
 Ostreida - Ostreidae
"Ostrea sellaeformis" = Cubitostrea sellaeformis
"Ostrea sellaeformis" = Cubitostrea sellaeformis Conrad 1832 oyster