Where: Orleans County, Louisiana (30.1° N, 90.0° W: paleocoordinates 30.1° N, 90.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Michoud Formation, Holocene (0.0 - 0.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Michoud Fm, which overlie unnamed equivalents of the Little Woods paleosol and Deweyville Fm (Pleistocene), and is overlain by the New Orleans barrier trend. AGE: Holocene. STRATIGRAPHIC POSITION: From 6.3-7.5 m in section.
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, silty claystone and unlithified, argillaceous siltstone
Size class: macrofossils
Preservation: original aragonite
Collected by Mollyn
Collection methods: surface (in situ),
• COLLECTOR: G. Mollyn. REPOSITORY: Unknown.
Primary reference: W. Miller III. 1983. Stratigraphy of newly exposed Quaternary sediments, eastern Orleans Parish, Louisiana. Tulane Studies in Geology and Paleontology 17(3-4):85-104 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 92774: authorized by Austin Hendy, entered by Austin Hendy on 28.11.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Turbonilla interrupta Totten 1835 snail | |
Nassarius vibex, "Nassarius acutus" = Nassarius (Nassarius) acutus
Nassarius vibex Say 1822 snail
"Nassarius acutus" = Nassarius (Nassarius) acutus Say 1822 snail | |
Hastula salleana Deshayes 1859 auger snail | |
Neverita duplicatus Say 1822 moon snail | |
Bivalvia | |
Nuculana concentrica Say 1824 Concentric Nut Clam | |
"Anadara ovalis" = Lunarca ovalis
"Anadara ovalis" = Lunarca ovalis Bruguiere 1789 ark | |
Cyrtopleura costata Linnaeus 1758 clam
Barnea truncata Say 1822 clam | |
Paramya subovata Conrad 1845 softshell clam | |
Raeta plicatella Lamarck 1818 clam | |
Mulinia lateralis Say 1822 clam | |
Cyclinella tenuis, "Petricola pholadiformis" = Petricolaria pholadiformis, Dosinia discus, "Agriopoma texasiana" = Callocardia (Agriopoma) texasiana
Cyclinella tenuis Récluz 1852 venus clam
"Petricola pholadiformis" = Petricolaria pholadiformis Lamarck 1818 venus clam
Dosinia discus Reeve 1850 venus clam
"Agriopoma texasiana" = Callocardia (Agriopoma) texasiana Dall 1892 venus clam | |
Diplodonta cf. soror Adams 1852 clam | |
Macoma constricta, Macoma tenta, "Tellina alternata" = Tellina (Eurytellina) alternata, "Tellina texana" = Angulus texanus
Macoma constricta Bruguière 1792 tellin clam
Macoma tenta Say 1834 tellin clam
"Tellina alternata" = Tellina (Eurytellina) alternata Say 1822 tellin clam
"Tellina texana" = Angulus texanus Dall 1900 tellin clam | |
Abra aequalis Say 1822 abra | |
Ensis minor Dall 1899 clam |