Where: Hinds County, Mississippi (32.2° N, 90.2° W: paleocoordinates 32.5° N, 83.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Byram Formation, Rupelian (33.9 - 28.1 Ma)
• The Byram Formation consists of Fossiliferous, clayey sands. Its macrofauna is dominated by bivalves.
• formation-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, sandy, calcareous claystone and sandstone
Size class: mesofossils
Preservation: original aragonite, original calcite
Collection methods: bulk, mechanical,
• Bivalves only.
Primary reference: D. T. Dockery. 1982. Lower Oligocene Bivalvia of the Vicksburg Group in Mississippi. Mississippi Department of Natural Resources Bureau of Geology 123:1-261 [L. Ivany/S. DeLong/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 6004: authorized by Linda Ivany, entered by Sarah DeLong on 13.01.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
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•Categories are listed in the comments field, absolute abundances are given in the abundance field.
•Since taxa with greater than 99 specimens were not counted with absolute abundances, these were reported with category "A" for abundant.
Bivalvia | |
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"Crassatella mississippiensis" = Crassatella (Crassatella) mississippiensis
"Crassatella mississippiensis" = Crassatella (Crassatella) mississippiensis Conrad 1848 clam R category
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"Venericardia carsonensis" = Venericardia (Rotundicardia) carsonensis
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Astarte menthifontis n. sp.
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Corbula engonata, "Corbula laqueata" = Varicorbula laqueata
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"Nemocardium diversum" = Nemocardium (Nemocardium) diversum, Agnocardia glebosum
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"Scapharca lesueuri" = Cunearca lesueuri
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Pecten byramensis, "Eburneopecten subminutus" = Eburneopecten (Eburneopecten) subminutus
"Eburneopecten subminutus" = Eburneopecten (Eburneopecten) subminutus Aldrich 1903 scallop R category
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Merisca aequistriata | |
"Tellina lintea" = Merisca aequistriata
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