Sta. 2021 - Old Brickyard, Orangeburg [McBean Fm] (Eocene of the United States)

Where: Orangeburg County, South Carolina (33.5° N, 80.9° W: paleocoordinates 33.6° N, 71.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: McBean Formation, Bartonian (41.3 - 38.0 Ma)

• STRATIGRAPHIC RELATIONS: From the McBean Fm, which regionally unconformably overlies the Black Mingo Fm (Paleocene) and is regionally unconformably Santee Limestone (Eocene); the formation is laterally equialent to the Nanjemoy Fm and the Claiborne Gp. AGE: Bartonian, on the basis of recent biostratigraphic dating. STRATIGRAPHIC POSITION: From a thin sandstone band in an unknown position within the formation.

• bed-level stratigraphic resolution

Environment/lithology: coastal; sandstone

• ENVIRONMENT: Shallow marine, shelfal siliciclastic.
• SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Unknown.

Size class: macrofossils

Collected by Burns in 1886

Collection methods: surface (in situ),

• COLLECTORS: F. Burns, 1886. REPOSITORIES: Unknown.

Primary reference: C. W. Cooke. 1936. Geology of the Coastal Plain of South Carolina. United States Geological Survey Bulletin 837 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 92490: authorized by Austin Hendy, entered by Austin Hendy on 16.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for bivalves and gastropods. NOMENCLATURE: Not an authoritative publication and with antiquated nomenclature but with species-resolution identifications. Nomenclature updated with subsequent publications.
Bivalvia
 Ostreomorphi -
Arcida indet.1 Stoliczka 1871 clam
 Arcida - Arcidae
"Arca rhomboidella" = Barbatia (Plagiarca) rhomboidella
"Arca rhomboidella" = Barbatia (Plagiarca) rhomboidella Lea 1833 clam
 Carditida - Crassatellidae
"Crassatellites protexta" = Bathytormus protexta
"Crassatellites protexta" = Bathytormus protexta Conrad 1832 clam
 Carditida - Carditidae
Venericardia (Venericor) claiboplata2 Gardner and Bowles 1939 clam
 Nuculida - Nuculidae
"Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam
 Protobranchia - Nuculanidae
"Leda semen" = Calorhadia semen
"Leda semen" = Calorhadia semen Lea 1883 pointed nut clam
Gastropoda
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
 Neogastropoda - Buccinidae
Phos sagenus true whelk
 Neogastropoda - Fasciolariidae
 Neogastropoda - Turridae
"Pleurotoma nodocarinata" = Turris, "Pleurotoma texanopsis" = Turris, "Pleurotoma sp." = Turris, "Pleurotoma childreni" = Coronia childreni
"Pleurotoma nodocarinata" = Turris turrid
"Pleurotoma texanopsis" = Turris turrid
"Pleurotoma sp." = Turris Röding 1798 turrid
"Pleurotoma childreni" = Coronia childreni Lea 1833 turrid
 Neogastropoda - Raphitomidae
"Amblyacrum stantoni" = Raphitoma (Amblyacrum)
"Amblyacrum stantoni" = Raphitoma (Amblyacrum) snail
 Neogastropoda - Conidae
Conus sauridens Conrad 1833 cone shell
 Ficoidea - Ficidae
 Calyptraeoidea - Calyptraeidae
Calyptraea (Trochita) aperta3 Solander 1766 slipper shell
 Sorbeoconcha - Turritellidae
Turritella nasuta turret shell
SUBSPECIES: Turritella nasuta houstonia