USGS Loc. 7079 - Mascot Point (Flint River Fm): Early/Lower Oligocene, Georgia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Cerithiidae
Cerithium mascotianum
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
Gastropoda - Ampullinidae
Ampullina solida
Ampullina streptostoma
Gastropoda - Naticidae
Amauropsis ocalana
Gastropoda - Neogastropoda - Conidae
Conus cookei Dall 1916
Gastropoda - Neogastropoda - Turbinellidae
Xancus wilsoni (Conrad 1848)
original and current combination Turbinella wilsoni
Gastropoda - Strombidae
Strombus chipolanus Dall 1890
recombined as Persististrombus chipolanus
Gastropoda - Thersiteidae
Orthaulax pugnax (Heilprin 1887)
    = Orthaulax hernandoensis Mansfield 1937
Vokes and Vokes 1968
Gastropoda - Bursidae
Bursa vitrix
Gastropoda - Cassidae
Cassis sulcifera Sowerby 1850
Gastropoda - Xenophoridae
Xenophora conchyliophora (Born 1780)
Bivalvia - Mytilida - Mytilidae
Modiolaria (Gregariella) sp. Loven 1846
Bivalvia - Pectinida - Pectinidae
Pecten (Aequipecten) suwaneensis Dall 1898
recombined as Aequipecten suwaneensis
Bivalvia - Cardiida - Veneridae
Chione bainbridgensis Dall 1916
recombined as Chione (Chionopsis) bainbridgensis
Bivalvia - Lucinida - Lucinidae
Phacoides (Miltha) hillsboroensis (Heilprin 1887)
original and current combination Miltha hillsboroensis
Phacoides (Miltha) ocalanus Dall 1903
recombined as Pseudomiltha ocalanus
Phacoides perovatus Dall 1916
Bivalvia - Carditida - Crassatellidae
Crassatellites paramesus Dall 1916
see common names

Geography
Country:United States State/province:Georgia County:Decatur
Coordinates: 30.9° North, 84.6° West (view map)
Paleocoordinates:31.0° North, 78.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
Key time interval:Early/Lower Oligocene
Age range of interval:33.90000 - 27.82000 m.y. ago
Stratigraphy
Formation:Flint River
Stratigraphic resolution:group of beds
Stratigraphy comments: From upper bed. Assigned to Lower Oligocene (Rupelinan) by Scott et al. 2001 following mapping by Cooke (1945).
Lithology and environment
Primary lithology: lithified cherty/siliceous "limestone"
Includes fossils?Y
Lithology description: Limestone; from chert blocks
Environment:shallow subtidal indet.
Geology comments: Shallow-water carbonate environment.
Taphonomy
Modes of preservation:cast,mold/impression,replaced with silica
Size of fossils:macrofossils
Preservation of anatomical detail:poor
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: Collected by Vaughan, Cooke and Mansfield (1914). Reposted in USNM collections.
Taxonomic list comments:Exhaustive for mollusca; from fairly poorly preserved assemblage; many identifications and types based on casts and molds.
Metadata
Database number:60835
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2006-05-24 20:52:38 Last modified:2013-11-25 13:37:23
Access level:the public Released:2006-05-24 20:52:38
Creative Commons license:CC BY
Reference information

Primary reference:
17529. W. H. Dall. 1916. A contribution to the invertebrate fauna of the Oligocene beds of Flint, River. Proceedings of the United States National Museum 51(2162):487-524 [A. Miller/A. Hendy]

Secondary references:

31168 H. E. Vokes and E. H. Vokes. 1968. Variation in the genus Orthaulax (Mollusca: Gastropoda). Tulane Studies in Geology and Paleontology 6(2):71-84 [A. Hendy/A. Hendy]