Also known as ACh-8-d
Where: Choctaw County, Alabama (31.8° N, 88.3° W: paleocoordinates 32.5° N, 79.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Upper Member (Lisbon Formation), Bartonian (41.3 - 38.0 Ma)
• lower part of upper Lisbon
stratigraphically above other ACh-8 collections
• bed-level stratigraphic resolution
Environment/lithology: offshore; unlithified, glauconitic, argillaceous, calcareous sandstone
Size class: mesofossils
Preservation: original aragonite, original calcite
Collection methods: bulk, mechanical, sieve,
Primary reference: L. C. Ivany. 1997. Faunal stability and environmental change in the middle Eocene Gulf Coastal Plain (PhD Thesis, Harvard University). 1-221 [L. Ivany/L. Ivany/A. Clement]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 2423: authorized by Linda Ivany, entered by Linda Ivany on 03.07.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
| |
Endopachys maclurii Lea 1833 stony coral | |
Turbinolia pharetra Lea 1833 stony coral | |
Platytrochus stokesi stony coral | |
Gymnolaemata | |
| |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Calorhadia semenoides pointed nut clam | |
"Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam | |
Cubitostrea sellaeformis Conrad 1832 oyster | |
Anomia sp. Linnaeus 1758 jingle | |
Glycymeris trigonella Conrad 1833 clam | |
Barbatia rhomboidella Lea 1833 clam | |
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam | |
Crassinella minor Lea 1833 clam | |
Tellina leana tellin clam | |
Spisula praetenuis Conrad 1833 clam | |
Callista lisbonensis venus clam | |
Diplodonta ungulina Conrad 1833 clam | |
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam | |
Linga pomilia Conrad 1833 clam | |
Scaphopoda | |
Cadulus sp. Philippi 1844 tusk shell | |
Gastropoda | |
| |
Retusa galba snail | |
Ringicula trapaquara snail | |
| |
Crepidula dumosa Conrad 1834 slipper shell
Crepidula lirata Conrad 1833 slipper shell
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell | |
Vitrinella sp. Adams 1850 snail
Cyclostremiscus exacuus snail | |
Hipponix pygmaeus hoof shell | |
Calyptraphorus velatus Conrad 1833 snail C. v. nodovelatus - originally entered as "Calyptraphorus velatus"
| |
Marginella constrictoides margin shell | |
Murex fusates, "Murex vanuxemi" = Hexaplex (Hexaplex) vanuxemi
Murex fusates murex snail
"Murex vanuxemi" = Hexaplex (Hexaplex) vanuxemi Conrad 1865 murex snail | |
Bullata semen, "Athleta petrosus" = Athleta petrosa
Bullata semen Lea 1833 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute | |
Ancilla staminea Conrad 1832 olive snail | |
| |
Eopleurotoma lisboncola turrid | |
Levifusus mortoniopsis snail
Levifusus mortonii snail | |
Buccitriton texanum true whelk
Terebrifusus multiplicatus true whelk | |
Latirus plicatus snail | |
Naticidae indet. Guilding 1834 moon snail | |
Balcis notata snail | |
Mesalia vetusta Conrad 1833 turret shell | |
Diodora sp. Gray 1821 snail |