Keyes Scrap Metal Yard (Byram Fm): Unit C, Bulk 1 (Oligocene of the United States)

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 -
Gnathostomata
  -
Actinopterygii indet. ray-finned fish
Bivalvia
 Nuculanida - Yoldiidae
Yoldia serica Conrad 1848 clam
 Arcida - Arcidae
"Scapharca lesueuri" = Cunearca lesueuri, "Barbatia mississippiensis" = Barbatia (Cucullaearca) mississippiensis
"Scapharca lesueuri" = Cunearca lesueuri Dall 1848 ark
"Barbatia mississippiensis" = Barbatia (Cucullaearca) mississippiensis Conrad 1848 clam
 Arcida - Glycymerididae
Glycymeris arctata Conrad 1848 clam
Glycymeris mississippiensis Conrad 1848 clam
 Pectinida - Pectinoidae
 Lucinida - Lucinidae
Lucina varisculpta Dockery 1982 clam
Lucina posteocurta Dockery 1982 clam
 Hiatellida - Hiatellidae
Panopea oblongata Conrad 1848 clam
 Cardiida - Mactridae
 Cardiida - Veneridae
Callista sobrina venus clam
Pitar imitabilis venus clam
 Cardiida - Tellinidae
Tellina vicksburgensis Conrad 1848 tellin clam
 Cardiida - Cardiidae
"Nemocardium diversum" = Nemocardium (Nemocardium) diversum
"Nemocardium diversum" = Nemocardium (Nemocardium) diversum Conrad 1848 cockle
 Pholadida - Corbulidae
"Corbula laqueata" = Varicorbula laqueata, Corbula engonata
"Corbula laqueata" = Varicorbula laqueata Casey 1903 clam
Corbula engonata Conrad 1848 clam
 Carditida - Astartidae
Astarte menthifontis Dockery 1982 clam
 Carditida - Crassatellidae
"Crassatella mississippiensis" = Crassatella (Crassatella) mississippiensis Conrad 1848 clam
Crassinella variablis Dockery 1982 clam
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium spp. Linnaeus 1758 tusk shell
D. strenuum and D. mississippiensis
Gastropoda
 Cerithioidea - Turritellidae
Turritella caseyi turret shell
"Turritella planigyrata" = Turritella (Broderiptella) planigyrata Guppy 1867 turret shell
Turritella mississippiensis Conrad 1848 turret shell
 Neotaenioglossa - Calyptraeidae
Calyptraea spp. Lamarck 1799 slipper shell
 Sorbeoconcha - Xenophoridae
Xenophora humilis Conrad 1848 carrier shell
 Sorbeoconcha - Ovulidae
Simnia cookei MacNeil and Dockery 1984 snail
 Neogastropoda - Nassariidae
"Tritiaria spp." = Nassarius (Tritiaria)
"Tritiaria spp." = Nassarius (Tritiaria) Conrad 1865 snail
 Neogastropoda - Conidae
Conus spp. Linnaeus 1758 cone shell
 Neogastropoda - Drilliidae
Syntomodrillia tantula Conrad 1843 snail
 Neogastropoda - Turridae
Pleurofusia spp. de Gregorio 1890 turrid
 Neogastropoda - Olividae
Oliva spp. Bruguière 1789 olive snail
 Sorbeoconcha - Ranellidae
Sassia spp. Bellardi 1872 triton shell
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
Here Only Includes Natica spp. and Euspira spp.
Sinum beatricae moon snail
 Heterostropha - Architectonicidae
Architectonica spp. Röding 1798 sundial
 Heterostropha - Pyramidellidae
Pyramidella spp. Lamarck 1799 snail
 Heterostropha - Ringiculidae
Ringicula mississippiensis Conrad 1848 snail
 Opisthobranchia - Cylichnidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831