Where: Lowndes County, Alabama (32.1° N, 86.8° W: paleocoordinates 35.3° N, 64.9° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Prairie Bluff Formation (Selma Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• At Braggs the Prairie Bluff Formation unconformably overlies the fossiliferous Ripley Formateion. The Clayton Formation disconformably overlies the Prairie Bluff Formation.
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; unlithified, silty, sandy limestone
Size class: mesofossils
Collection methods: bulk, surface (in situ),
• Some areas were sampled on the outcrop surface, others were excavated with pick and shovel and some more specimens came from screenwashing bulk sediments.
Primary reference: J. R. Bryan and D. S. Jones. 1989. Fabric of the Cretaceous-Tertiary Marine Macrofaunal Transition at Braggs, Alabama. Palaeogeography, Palaeoclimatology, Palaeoecology 69:279-301 [A. Miller/J. Sessa]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 83238: authorized by Arnold Miller, entered by Jocelyn Sessa on 12.08.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
Micrabacia cribaria stony coral | |
Echinoidea | |
| |
Stenolaemata | |
Gymnolaemata | |
? Hippoporina sp. Neviani 1895 | |
Gastropoda | |
Laxispira monilifera, Turritella ? trilira, Turritella vertebroides, Turritella tippana, Haustator bilira
Laxispira monilifera Sohl 1964 turret shell
Turritella ? trilira Conrad 1860 turret shell
Turritella vertebroides Morton 1834 turret shell
Turritella tippana Conrad 1858 turret shell
Haustator bilira Stephenson 1941 turret shell | |
"Lowenstamia cucullata" = Sohliina cucullata
"Lowenstamia cucullata" = Sohliina cucullata Sohl 1964 murex snail | |
Longoconcha ? dalli Stephenson 1941 volute | |
Paladmete cancellaria Conrad 1858 snail | |
Napulus sp. Stephenson 1941 snail | |
Pyropsis sp. Conrad 1860 snail | |
? Remera sp. Stephenson 1941 snail
Anomalofusus sp. Wade 1916 snail
? Bellifusus sp. Stephenson 1941 snail | |
Buccinopsis sp. Conrad 1857 true whelk
? Stantonella sp. Wade 1926 true whelk | |
Pugnellus densatus snail
Pterocerella tippana snail | |
Gyrodes sp. Conrad 1860 moon snail
Euspira rectilabrum Conrad 1858 moon snail | |
Ellipsoscapha ? mortoni Forbes 1845 snail | |
Cylichna sp. Lovén 1846 snail | |
Scaphopoda | |
Dentalium pauperculum tusk shell | |
Bivalvia | |
Nuculana whitfieldi pointed nut clam
Nuculana corbetensis pointed nut clam | |
Nucula percrassa nut clam
Nucula sp. Lamarck 1799 nut clam | |
Scabrotrigonia eufaulensis Gabb 1860 clam | |
? Crassatellidae indet. Férussac 1822 clam
Crassatella vadosa Morton 1834 clam | |
? Laternula robusta clam | |
Pholadomya tippana clam | |
Liopistha protexta Conrad 1853 clam | |
? Icanotia sp. Stoliczka 1870 clam | |
Tellina munda tellin clam
"Linearia metastriata" = Linearis tellin clam
? Solyma sp. Conrad 1870 tellin clam | |
| |
Etea carolinensis Conrad 1875 clam
Veniella conradi Morton 1833 clam | |
Legumen ellipticum venus clam
Cyclorisma parva venus clam
Aphrodina tippana venus clam
Cyprimeria alta venus clam | |
Cymbophora sp. Gabb 1869 clam | |
"Caesticorbula crassaplica" = Caestocorbula crassiplica
"Caesticorbula crassaplica" = Caestocorbula crassiplica Gabb 1860 clam Caesticorbula Caesticorbula crassaplica
| |
? Lucina sp. Bruguière 1797 clam | |
Nemodon sp. Conrad 1869 clam
Nemodon eufaulensis clam | |
Striarca saffordi clam | |
"Cucullaea capax" = Idonearca capax
| |
Rastellum mesenterica oyster | |
Gryphaeostrea vomer, "Exogyra costata" = Exogyra (Exogyra) costata
Gryphaeostrea vomer Morton 1828 oyster
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster | |
Pinna sp. Linnaeus 1758 oyster | |
| |
| |
Plicatula sp. Lamarck 1801 scallop | |
Lima deatsvillensis file clam | |
Lithophaga sp. Röding 1798 mussel
Botula carolinensis mussel | |
Crenella senica clam | |
Cephalopoda | |
? Sphenodiscus pleurisepta Conrad 1857 ammonite | |
Discoscaphites sp. Meek 1870 ammonite | |
"Baculites carinatus" = Eubaculites carinatus, Baculites sp.
"Baculites carinatus" = Eubaculites carinatus Morton 1834 ammonite
Baculites sp. Lamarck 1799 ammonite | |
Sedentaria | |
Serpula ? adnata Wade 1926 | |
Polychaeta | |
Hamulus onyx Morton 1834 | |
Malacostraca | |
Xanthidae "sp. B" MacLeay 1838 stone crab
Xanthidae "sp. A" MacLeay 1838 stone crab | |
Menippe sp. De Haan 1833 crab | |
Avitelmessus grapsoideus Rathbun 1923 crab | |
cf. Callianassa mortoni Pilsbry 1901 decapod | |
Brachydontes | |
? Brachydontes sp. Swainson 1840 |