USGS 22389 (Castle Hayne LS, N. Carolina) (Eocene of the United States)

Where: Pender County, North Carolina (34.6° N, 77.7° W: paleocoordinates 34.5° N, 68.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

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

• offshore, rather quiet, water depth no greater than 60 m (Finks 2011)
• three facies in ascending stratigraphic order: phosphate pebble biomicrudite, bryozoan biosparrudite, and bryozoan biomicrudite

Size class: macrofossils

Reposited in the USGS

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: taxonomic analysis

PaleoDB collection 5376: authorized by Arnold Miller, entered by Karen Layou on 29.09.1999, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Cidaridae
Cidaris pratti Clark and Twitchell 1915 pencil urchin
 Spatangoida - Schizasteridae
Linthia wilmingtonensis Clark and Twitchell 1915 heart urchin
 Echinolampadoida - Echinolampadidae
Echinolampas appendiculata Emmons 1858 sea urchin
 Cassiduloida - Neolampadidae
Eurhodia rugosa Ravenel 1848 sea urchin
n. subspecies ideali
 Clypeasteroida - Protoscutellidae
Periarchus lyelli Conrad 1834 sand dollar
Demospongea
 Tetralithistida - Plinthosellidae
Claytonia rayi Finks et al. 2011 demosponge
Hazelina bisbifurcata n. gen. n. sp. Finks et al. 2011 demosponge
Hexactinellida
 Lychniscosa - Dactylocalycidae
Exanthesis ovatus n. sp. Finks et al. 2011 glass sponge
 Lychniscosa - Camerospongiidae
Robinia striatopunctata n. gen. n. sp.
Robinia striatopunctata n. gen. n. sp. Finks et al. 2011 glass sponge
 Hexactinosa - Euretidae
Verrucocoeloidea (Euretella) corallina n. sp. Finks et al. 2011 glass sponge
 Hexactinosa - Aphrocallistidae
Druidia wilsoni n. gen. n. sp.
Druidia wilsoni n. gen. n. sp. Finks et al. 2011 glass sponge
Calcarea
 Lithonida - Minchinellidae
Plectroninia pertusa n. sp. Finks et al. 2011 calcareous sponge
Bactronella incrustans n. sp. Finks et al. 2011 calcareous sponge
Bactronella womblei n. sp. Finks et al. 2011 calcareous sponge