DO-1, Giant Portland Quarry: Priabonian, South Carolina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Cidaroida
- Cidaridae
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Cidaris pratti
Clark and Twitchell 1915
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Echinoidea
- Clypeasteroida
- Protoscutellidae
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Periarchus lyelli
(Conrad 1834)
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Protoscutella plana
(Conrad 1865)
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unclassified
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Cirostrema cf. nassulum
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| Cirostrema cf. C. nassulum | ||||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus sp.
Linnaeus 1758
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Gastropoda
- Neogastropoda
- Mitridae
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Fusimitra sp.
Conrad 1855
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Fusinus abruptus
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Gastropoda
- Cassidae
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Phalium sp.
Link 1807
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Gastropoda
- Cypraeidae
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Cypraea sp.
Linnaeus 1758
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Gastropoda
- Heterostropha
- Architectonicidae
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Architectonica sp.
Röding 1798
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Cephalopoda
- Nautilida
- Nautilidae
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Eutrephoceras carolinensis
Kellum 1926
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Cephalopoda
- Nautilida
- Aturiidae
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Aturia sp.
Bronn 1838
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys spp.
Röding 1798
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Chlamys cawcawensis
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Chlamys cookei
(Kellum 1926)
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Placopecten ? spp.
(Verrill 1897)
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus lamellacea
Kellum 1926
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Cubitostrea sp.
Sacco 1897
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris ? staminea
Conrad 1833
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Bivalvia
- Lucinida
- Lucinidae
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Lucina cf. pandata
Conrad 1833
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| Lucina cf. L. pandata | ||||||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea sp.
(Menard 1807)
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Bivalvia
- Cardiida
- Cardiidae
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Cardiidae indet.
Lamarck 1809
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Bivalvia
- Cardiida
- Tellinidae
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Tellina sp.
Linnaeus 1758
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Bivalvia
- Cardiida
- Veneridae
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Callista neusensis
(Harris 1919)
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Bivalvia
- Carditida
- Crassatellidae
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Crassatella alta
Conrad 1855
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Bathytormus cf. flexurus
Conrad 1854
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| Bathytormus cf. B. flexurus | ||||||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia spp.
Lamarck 1801
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Bivalvia
- Nuculida
- Nuculidae
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Nucula sp.
Lamarck 1799
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Bivalvia
- Nuculanida
- Nuculanidae
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Calorhadia sp.
Stewart 1930
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Rhynchonellata
- Terebratulida
- Cancellothyrididae
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Terebratulina spp.
d'Orbigny 1847
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Anthozoa
- Scleractinia
- Flabellidae
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Flabellum sp.
Lesson 1831
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Anthozoa
- Scleractinia
- Dendrophylliidae
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Endopachys sp.
Lonsdale 1845
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Carolina | County: | Dorchester |
| Coordinates: | 33.3° North, 80.4° West (view map) | ||||
| Paleocoordinates: | 33.2° North, 72.5° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| *Period: | Tertiary | *Local age/stage: | Jacksonian |
| Key time interval: | Priabonian | ||
| Age range of interval: | 37.71 - 33.9 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Tupelo Bay | Member: | Pregnall | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: According to Powell and Baum, the collection also falls under the Periarchus lyelli faunal zone. They used Cross at formation rank, but that usage is not followed in later publications. According to Edwards et al. (1997), the Cross Member of the Santee Limestone is dated as both late middle Eocene and late Eocene, representing calcareous nannofossil Zones NP 17 and NP 18. Geisler et al. (2005) re-assessed the stratigraphy and named the Tupelo Bay Formation to include the type Cross Member/Formation and coarser-grained units at the Giant Cement Quarry, which belong to the earliest Priabonian (NP18) Pregnall Member. | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal lithified packstone |
| Includes fossils? | Y |
| Lithology description: the upper eocene cross formation is composed of molluscan biomicrudites which grade updip into molluscan biosparrudites. | |
| Environment: | open shallow subtidal |
| Geology comments: Coarse grain size, dominance of packstone and grainstone, and abundance of broken shells suggests shallow subtidal environment. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | all microfossils,difficult macrofossils |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 5362 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 1999-09-27 12:01:54 | Last modified: | 2019-08-04 23:05:58 |
| Access level: | the public | Released: | 1999-09-27 12:01:54 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 318. | R. J. Powell and G. R. Baum. 1982. Eocene biostratigraphy of South Carolina and its relationship to Gulf Coastal Plain zonations and global changes of coastal onlap. Geological Society of America Bulletin 93:1099-1108 [A. Miller/K. Layou] |