Where: Warren County, Mississippi (32.4° N, 90.8° W: paleocoordinates 32.8° N, 84.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Byram Formation (Vicksburg Group), Rupelian (33.9 - 28.1 Ma)
• 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.
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, silty, sandy siliciclastic sediments
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Collection methods: bulk, sieve,
Primary reference: C. C. Visaggi. 2004. Testing for patterns of faunal persistence in the early Oligocene Byram Formation of Mississippi. Syracuse University [L. Ivany/C. Visaggi]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 66307: authorized by Linda Ivany, entered by Christy Visaggi on 07.10.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Foraminifera indet. foram | |
Gnathostomata | |
Actinopterygii indet. ray-finned fish | |
Bivalvia | |
Yoldia serica Conrad 1848 clam | |
"Scapharca lesueuri" = Cunearca lesueuri, "Barbatia mississippiensis" = Barbatia (Cucullaearca) mississippiensis
"Scapharca lesueuri" = Cunearca lesueuri Dall 1848 ark
"Barbatia mississippiensis" = Barbatia (Cucullaearca) mississippiensis Conrad 1848 clam | |
Glycymeris arctata Conrad 1848 clam
Glycymeris mississippiensis Conrad 1848 clam | |
Pecten byramensis scallop | |
Lucina varisculpta Dockery 1982 clam
Lucina posteocurta Dockery 1982 clam | |
Panopea oblongata Conrad 1848 clam | |
Spisula funerata clam | |
Tellina vicksburgensis Conrad 1848 tellin clam | |
"Nemocardium diversum" = Nemocardium (Nemocardium) diversum
"Nemocardium diversum" = Nemocardium (Nemocardium) diversum Conrad 1848 cockle | |
"Corbula laqueata" = Varicorbula laqueata, Corbula engonata
"Corbula laqueata" = Varicorbula laqueata Casey 1903 clam
Corbula engonata Conrad 1848 clam | |
Astarte menthifontis Dockery 1982 clam | |
"Crassatella mississippiensis" = Crassatella (Crassatella) mississippiensis, Crassinella variablis
"Crassatella mississippiensis" = Crassatella (Crassatella) mississippiensis Conrad 1848 clam
Crassinella variablis Dockery 1982 clam | |
Scaphopoda | |
| |
Gastropoda | |
Turritella caseyi, "Turritella planigyrata" = Turritella (Broderiptella) planigyrata, Turritella mississippiensis
Turritella caseyi turret shell
"Turritella planigyrata" = Turritella (Broderiptella) planigyrata Guppy 1867 turret shell
Turritella mississippiensis Conrad 1848 turret shell | |
Calyptraea spp. Lamarck 1799 slipper shell | |
Xenophora humilis Conrad 1848 carrier shell | |
Simnia cookei MacNeil and Dockery 1984 snail | |
"Tritiaria spp." = Nassarius (Tritiaria)
"Tritiaria spp." = Nassarius (Tritiaria) Conrad 1865 snail | |
Conus spp. Linnaeus 1758 cone shell | |
Syntomodrillia tantula Conrad 1843 snail | |
Pleuroliria cochlearis turrid
Pleurofusia spp. de Gregorio 1890 turrid | |
Oliva spp. Bruguière 1789 olive snail | |
Sassia spp. Bellardi 1872 triton shell | |
Sinum beatricae moon snail | |
Architectonica spp. Röding 1798 sundial | |
Pyramidella spp. Lamarck 1799 snail
Odostomia byramensis snail | |
Ringicula mississippiensis Conrad 1848 snail | |
Cylichna nida snail | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 |