Keyes Scrap Metal Yard (Byram Fm): Unit E, Bulk 6: Rupelian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Bryozoa indet. Ehrenberg 1831
Bivalvia - Nuculanida - Nuculanidae
0.5 individuals
Bivalvia - Nuculanida - Yoldiidae
0.5 individuals
Bivalvia - Pholadida - Corbulidae
Corbula laqueata Casey 1903
24 individuals
1 individual
Bivalvia - Cardiida - Veneridae
4.5 individuals
Bivalvia - Cardiida - Semelidae
0.5 individuals
Bivalvia - Cardiida - Tellinidae
4 individuals
Bivalvia - Cardiida - Cardiidae
2.5 individuals
Bivalvia - Hiatellida - Hiatellidae
0.5 individuals
Bivalvia - Arcida - Arcidae
Scapharca lesueuri (Dall 1848)
133 individuals
Bivalvia - Pectinida - Pectinidae
4 individuals
Scaphopoda - Dentaliida - Dentaliidae
Here Only Includes D. strenuum and D. mississippiensis
Gastropoda - Neogastropoda - Buccinidae
1 individual
Gastropoda - Neogastropoda - Nassariidae
Tritiaria spp. Conrad 1865
8 individuals
Gastropoda - Neogastropoda - Turridae
1 individual
1 individual
1 individual
Gastropoda - Neogastropoda - Conidae
2 individuals
Gastropoda - Neogastropoda - Cancellariidae
1 individual
Gastropoda - Neogastropoda - Costellariidae
1 individual
Gastropoda - Neogastropoda - Muricidae
Chicoreus spp. Monfort 1810
4 individuals
Gastropoda - Neogastropoda - Olividae
Oliva spp. Bruguière 1789
3 individuals
Gastropoda - Turritellidae
1 individual
Gastropoda - Heterostropha - Ringiculidae
1 individual
unclassified
Foraminifera indet. Eichwald 1830
see common names

Geography
Country:United States State/province:Mississippi County:Warren
Coordinates: 32.4° North, 90.8° West (view map)
Paleocoordinates:36.3° North, 77.7° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Oligocene
Stage: Rupelian 10 m.y. bin: Cenozoic 4
Key time interval: Rupelian
Age range of interval: 33.9 - 27.3 m.y. ago
Stratigraphy
Geological group:Vicksburg Formation:Byram
Stratigraphic resolution:bed
Stratigraphy comments: The Byram Formation is exposed nearly in its entirety at Keyes Scrap Metal Yard. Units recognized at this locality are classified as A through H going up section.
Lithology and environment
Primary lithology: unlithified silty,sandy "siliciclastic"
Environment:coastal indet. Tectonic setting:passive margin
Glacial or sequence phase:transgressive
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Degree of concentration:concentrated
Size of fossils:macrofossils,mesofossils
Spatial orientation:random
Preservation of anatomical detail:good
Articulated whole bodies:some
Associated major elements:many
Size sorting:poor
Fragmentation:occasional
Feeding/predation traces:drill holes
Collection methods and comments
Collection methods:bulk,sieve,field collection
Minimum sieve size:2.000 Maximum sieve size:2.000
Reason for describing collection:paleoecologic analysis
Metadata
Database number:66322
Authorizer:L. Ivany Enterer:C. Visaggi
Modifier:U. Smith Research group:GCP,marine invertebrate
Created:2006-10-07 09:54:22 Last modified:2025-02-22 15:12:02
Access level:database members Released:2007-01-07 09:54:22
Creative Commons license:CC0
Reference information

Primary reference:
18973. C. C. Visaggi. 2004. Testing for patterns of faunal persistence in the early Oligocene Byram Formation of Mississippi. Syracuse University [L. Ivany/C. Visaggi]