USGS 10636 (J.M. Thomas Farm), Castle Hayne marl (Eocene of the United States)

Where: Onslow County, North Carolina (34.8° N, 77.4° W: paleocoordinates 34.6° N, 68.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Castle Hayne Formation (Jackson Group), Bartonian (41.3 - 38.0 Ma)

• The Castle Hayne is described as Jackson (Eocene) in age.

• formation-level stratigraphic resolution

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

• consolidated yellow ground-shell marl

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 41984: authorized by Arnold Miller, entered by Karen Layou on 22.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Clypeasteroida - Fibulariidae
Echinocyamus parvus Emmonds 1858 sand dollar
 Clypeasteroida - Protoscutellidae
Periarchus lyelli Conrad 1834 sand dollar
Bivalvia
 Pectinida - Pectinoidae
"Pecten cushmani" = Chlamys cushmani
"Pecten cushmani" = Chlamys cushmani Kellum 1926 scallop
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop