Section 6 (Unit C, James City Fm) - Lee Creek Mine (Pleistocene of the United States)

Also known as C 25370

Where: North Carolina (35.3° N, 76.6° W: paleocoordinates 35.3° N, 76.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: James City Formation, Early/Lower Pleistocene (2.6 - 0.8 Ma)

• Exposure of less than 1 m of unit C at base of section and covered above. Basinal/regional section name:Lee Creek Mine

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; unlithified, fine-grained, ferruginous, shelly/skeletal, gray, green sandstone

• Shallow shelf at a water depth of approximately 15 m, most of the beds being at a depth of 20 m or slightly greater.
• Greenish-gray iron stained clay fine sand. Large molluscs abundant.

Size class: macrofossils

Preservation: original aragonite

Reposited in the USNM

Collection methods: bulk, quarrying,

• Collections reposited in USGS and USNM

Primary reference: L. W. Ward and B.W. Blackwelder. 1987. Late Pliocene and Early Pleistocene Mollusca from the James City and Chowan River Formations at Lee Creek Mine. Smithsonian Contributions to Paleobiology 61:113-283 [A. Miller/A. Hendy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58898: authorized by Austin Hendy, entered by Austin Hendy on 28.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for Mollusca and with good nomenclature.
Gastropoda
 Trochoidea - Trochidae
Calliostoma philanthropum top snail
Subspecies: Calliostoma philanthropum pontoni
 Cerithioidea - Turritellidae
Turritella beaufortensis Ward and Blackwelder 1987 turret shell
 Neotaenioglossa - Calyptraeidae
Crepidula fornicata Linnaeus 1758 slipper shell
 Sorbeoconcha - Naticidae
"Polinices duplicata" = Neverita duplicatus
"Polinices duplicata" = Neverita duplicatus Say 1822 moon snail
 Sorbeoconcha - Cerithiopsidae
"Seila adamsi" = Seila adamsii
"Seila adamsi" = Seila adamsii Lea 1845 snail
 Neogastropoda - Melongenidae
"Busycon concinnum" = Busycotypus concinnum, "Busycon spiratus" = Busycotypus spiratus
"Busycon concinnum" = Busycotypus concinnum Conrad 1875 whelk
"Busycon spiratus" = Busycotypus spiratus Lamarck 1816 whelk
Subspecies: Busycon spiratus pyruloides
 Neogastropoda - Marginellidae
Prunum limatulum Conrad 1834 margin shell
 Neogastropoda - Volutidae
Bivalvia
 Nuculida - Nuculidae
"Nucula proxima" = Nucula (Nucula) proxima
"Nucula proxima" = Nucula (Nucula) proxima Say 1820 Atlantic Nut Clam
 Mytilida - Mytilidae
"Modiolus cf. modiolus" = Modiolus (Modiolus) modiolus
"Modiolus cf. modiolus" = Modiolus (Modiolus) modiolus Linnaeus 1758 mussel
 Pectinida - Pectinoidae
Carolinapecten eboreus Conrad 1833 scallop
? Leptopecten auroraensis Ward and Blackwelder 1987 scallop
 Ostreida - Ostreidae
Conradostrea lawrencei Ward and Blackwelder 1987 oyster
 Arcida - Noetiidae
 Arcida - Arcidae
Anadara aequicostata Conrad 1845 ark
 Arcida - Glycymerididae
Glycymeris americana Defrance 1826 clam
Glycymeris sloani Ward and Blackwelder 1987 clam
 Cardiida - Sportellidae
"Anisodonta carolina" = Basterotia carolina
"Anisodonta carolina" = Basterotia carolina Dall 1900 clam
 Cardiida - Semelidae
Semele bellastriata Conrad 1837 clam
 Cardiida - Tellinidae
"Tellina agilis" = Angulus agilis
"Tellina agilis" = Angulus agilis Stimpson 1857 tellin clam
 Cardiida - Ungulinidae
Diplodonta acclinis Conrad 1832 clam
 Cardiida - Veneridae
Mercenaria permagna Conrad 1838 quahog
Pitar chioneformis venus clam
Macrocallista greeni Ward and Blackwelder 1987 venus clam
Gouldia metastriata venus clam
[entered as Gouldia metastriatum]
 Pholadida - Corbulidae
 Lucinida - Lucinidae
Stewartia anodonta Say 1824 clam
Subspecies: Stewartia anodonta floridana
 Carditida - Crassatellidae
Marvacrassatella kauffmani Ward and Blackwelder 1987 clam
Crassinella lunulata Conrad 1834 clam
 Carditida - Carditidae
Carditamera arata Conrad 1832 clam
Pteromeris perplana Dall 1903 clam
Pleuromeris decemcostata Conrad 1867 clam
 Carditida - Astartidae
Astarte concentrica Conrad 1834 clam