Duplin Co. (Castle Hayne LS, N. Carolina) (Eocene of the United States)

Where: Duplin County, North Carolina (35.0° N, 78.1° W: paleocoordinates 34.8° N, 68.9° W)

• coordinate based on political unit

• outcrop-level geographic resolution

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

Environment/lithology: marine; pebbly, phosphatic, shelly/skeletal wackestone and grainstone

• three facies in ascending stratigraphic order: phosphate pebble biomicrudite, bryozoan biosparrudite, and bryozoan biomicrudite

Primary reference: P. M. Kier. 1980. The Echinoids of the Middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Smithsonian Contributions to Paleobiology 39:1-102 [A. Miller/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 5381: authorized by Arnold Miller, entered by Karen Layou on 29.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Clypeasteroida - Protoscutellidae
Periarchus lyelli Conrad 1834 sand dollar
 Echinolampadoida - Echinolampadidae
Echinolampas appendiculata Emmons 1858 sea urchin
 Cassiduloida - Cassidulidae
Rhyncholampas carolinensis Clark and Twitchell 1915 sea urchin