Also known as ACh-8-a2
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)
• at/near base of upper Lisbon Fm
correlates roughly with ACl-3a
• bed-level stratigraphic resolution
Environment/lithology: marine; unlithified, glauconitic, sandy marl
contains chunks of organic woody debris
Size class: mesofossils
Preservation: original aragonite, original calcite, original phosphate
Collection methods: bulk, mechanical, sieve,
• was picked and sorted by an undergrad; he likely missed some things
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 6788: authorized by Linda Ivany, entered by Linda Ivany on 17.03.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Eburneopecten sp. Conrad 1865 scallop | |
Macoma sp. Leach 1819 tellin clam
"Tellina raveneli" = Tellina (Arcopagia) raveneli Conrad 1846 tellin clam
Tellina leana tellin clam | |
Nemocardium gambrinum cockle | |
"Mactropsis aequorea" = Erycina aequorea
"Mactropsis aequorea" = Erycina aequorea Conrad 1833 clam | |
Pitar sp. Römer 1857 venus clam
Katherinella trinitatis Stenzel et al. 1957 venus clam | |
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis, Vokesula smithvillensis
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
Vokesula smithvillensis Harris 1919 clam | |
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam | |
Calorhadia semenoides pointed nut clam
Calorhadia bella pointed nut clam | |
"Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam | |
Scaphopoda | |
Dentalium minutistriatum Gabb 1850 tusk shell | |
Gastropoda | |
Mesalia vetusta Conrad 1833 turret shell
Turritella sp. Lamarck 1799 turret shell | |
Hipponix pygmaeus hoof shell | |
Naticidae indet. Guilding 1834 moon snail | |
Levifusus mortoniopsis snail | |
Pseudoliva vetusta, Buccitriton texanum, Terebrifusus sp., Terebrifusus multiplicatus, Penion bellus
Pseudoliva vetusta Conrad 1833 true whelk
Buccitriton texanum true whelk
Terebrifusus sp. Conrad 1865 true whelk
Terebrifusus multiplicatus true whelk
Penion bellus Conrad 1833 true whelk | |
Ancilla staminea Conrad 1832 olive snail | |
Murotriton mcglameriae murex snail | |
Athleta lisbonensis volute
Athleta haleanus volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute | |
Microdrillia sp. Casey 1903 snail | |
Trypanotoma longispira turrid
"Protosurcula gabbi" = Protosurcula gabbii Conrad 1865 turrid
Eopleurotoma lisboncola turrid | |
Cochlespira engonata Conrad 1865 snail | |
Fusimitra polita mitre shell | |
Calyptraphorus velatus Conrad 1833 snail |