Keyes Scrap Metal Yard (Byram Fm): Unit C, Bulk 4: Rupelian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Foraminifera indet. Eichwald 1830
Actinopterygii
Actinopterygii indet. Cope 1887
Gastropoda - Turritellidae
Turritella caseyi
1 individual
Turritella planigyrata Guppy 1867
12 individuals
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea spp. Lamarck 1799
2 individuals
Gastropoda - Cassidae
Sconsia lintea Conrad 1848
1 individual
Gastropoda - Ranellidae
Sassia spp. (Bellardi 1872)
3 individuals
Gastropoda - Neogastropoda - Drilliidae
Syntomodrillia tantula Conrad 1843
1 individual
Gastropoda - Neogastropoda - Turridae
Coronia tenella
1 individual
Cochlespira cristata (Conrad 1848)
1 individual
Pleuroliria cochlearis
2 individuals
Gastropoda - Neogastropoda - Terebridae
Terebra spp. Bruguière 1789
2 individuals
Gastropoda - Neogastropoda - Olividae
Oliva spp. Bruguière 1789
4 individuals
Gastropoda - Neogastropoda - Nassariidae
Tritiaria spp. Conrad 1865
8 individuals
Gastropoda - Neogastropoda - Muricidae
Chicoreus spp. Monfort 1810
1 individual
Gastropoda - Naticidae
Naticidae indet. Guilding 1834
34 individuals
Here Only Includes Natica spp. and Euspira spp.
Gastropoda - Epitoniidae
Scalina spp. Conrad 1865
2 individuals
Gastropoda - Solariellidae
Solariella spp. Wood 1842
1 individual
Gastropoda - Heterostropha - Ringiculidae
Ringicula mississippiensis Conrad 1848
8 individuals
Gastropoda - Heterostropha - Pyramidellidae
Odostomia byramensis
1 individual
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna nida
5 individuals
Scaphopoda - Dentaliida - Dentaliidae
Dentalium spp. Linnaeus 1758
Here Only Includes D. strenuum and D. mississippiensis
Bivalvia - Pectinida - Pectinidae
Pecten byramensis
33.5 individuals
Bivalvia - Ostreida - Ostreidae
Lopha vicksburgensis (Conrad 1848)
0.5 individuals
Bivalvia - Arcida - Arcidae
Scapharca chordicosta
0.5 individuals
Scapharca lesueuri (Dall 1848)
140.5 individuals
Bivalvia - Arcida - Glycymerididae
Glycymeris arctata (Conrad 1848)
2 individuals
Bivalvia - Pholadida - Corbulidae
Corbula laqueata Casey 1903
257 individuals
Corbula engonata Conrad 1848
8 individuals
Bivalvia - Cardiida - Veneridae
Pitar imitabilis
4.5 individuals
Callista sobrina
4 individuals
Bivalvia - Cardiida - Cardiidae
Nemocardium diversum (Conrad 1848)
2 individuals
Dinocardium vicksburgensis
1 individual
Bivalvia - Cardiida - Semelidae
Ervilia lamelloexteria
1 individual
Bivalvia - Cardiida - Tellinidae
Tellina vicksburgensis Conrad 1848
2.5 individuals
Bivalvia - Cardiida - Sportellidae
Sportella oblonga (Conrad 1848)
0.5 individuals
Bivalvia - Lucinida - Lucinidae
Lucina varisculpta Dockery 1982
1 individual
Bivalvia - Carditida - Carditidae
Venericardia carsonensis Dall 1903
0.5 individuals
Bivalvia - Carditida - Crassatellidae
Crassinella variablis Dockery 1982
17.5 individuals
Crassatella mississippiensis Conrad 1848
3.5 individuals
Bivalvia - Carditida - Astartidae
Astarte menthifontis Dockery 1982
14 individuals
Bivalvia - Nuculanida - Yoldiidae
Yoldia serica (Conrad 1848)
1 individual
Bivalvia - Nuculida - Nuculidae
Nucula vicksburgensis Conrad 1848
1.5 individuals
unclassified
Bryozoa indet. Ehrenberg 1831
Anthozoa - Scleractinia - Oculinidae
Archohelia vicksburgensis
see common names

Geography
Country:United States State/province:Mississippi County:Warren
Coordinates: 32.4° North, 90.8° West (view map)
Paleocoordinates:32.8° North, 84.3° West
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 - 27.82 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:66310
Authorizer:L. Ivany Enterer:C. Visaggi
Modifier:U. Smith Research group:GCP,marine invertebrate
Created:2006-10-07 09:50:35 Last modified:2010-10-14 06:11:47
Access level:database members Released:2007-01-07 09:50:35
Creative Commons license:CC BY
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]