Where: Lowndes County, Alabama (32.1° N, 86.8° W: paleocoordinates 34.9° N, 66.8° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Pine Barren Member (Clayton Formation), Danian (66.0 - 61.6 Ma)
• The Clayton Formation disconformably overlies the Prairie Bluff Formation.
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, glauconitic, 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. Collection efforts were focused on the basal Clayton Formation.
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 83297: authorized by Arnold Miller, entered by Jocelyn Sessa on 15.08.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Anthozoa indet. Ehrenberg 1834 | |
? Balanophyllia sp. Wood 1844 stony coral | |
? Trochocyathus sp. Milne-Edwards and Haime 1848 stony coral | |
Echinoidea | |
Cidaris sp. Leske 1778 pencil urchin | |
Stenolaemata | |
Entalophora sp. Lamoureux 1821 | |
? Plagioecia sp. Canu 1918 | |
Pleuronea "sp. B" Canu and Bassler 1920
Pleuronea "sp. A" Canu and Bassler 1920 | |
Gymnolaemata | |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Polychaeta | |
Serpula sp. Linnaeus 1758 | |
Bivalvia | |
Modiolus sp. Lamarck 1801 mussel | |
Cucullaea sp. Lamarck 1801 clam | |
Ostrea pulaskensis Harris 1892 oyster
Ostrea crenulimarginata Gabb 1860 oyster | |
Gryphaeostrea vomer Morton 1828 oyster | |
Plicatula sp. Lamarck 1801 scallop | |
Crassatella sp. Lamarck 1799 clam | |
Venericardia sp. Lamarck 1801 clam | |
? Dosinia sp. Scopoli 1777 venus clam
? Pitar ripleyanus venus clam | |
Nuculana "sp. B" Link 1807 pointed nut clam
Nuculana "sp. A" Link 1807 pointed nut clam | |
Gastropoda | |
? Cylichna sp. Lovén 1846 snail | |
Pseudomalaxis sp. Fischer 1850 snail | |
Acteonidae indet. d'Orbigny 1835 snail | |
Epitoniidae indet. Berry 1910 wentletrap | |
Melanella sp. Bowdich 1822 snail | |
Turritella "sp. C" Lamarck 1799 turret shell
Turritella "sp. B" Lamarck 1799 turret shell
Turritella "sp. A" Lamarck 1799 turret shell
? Turritella "sp. D" Lamarck 1799 turret shell | |
Natica "sp. B" Scopoli 1777 moon snail
Natica "sp. A" Scopoli 1777 moon snail | |
Rissoina ? alabamenesis snail | |
Vitrinellidae indet. Bush 1897 snail | |
? Latirus sp. Monfort 1810 snail | |
? Cancellaria sp. Lamarck 1799 snail | |
? Trophon sp. Montfort 1810 murex snail | |
? Cerithiopsis sp. Hanley 1849 snail | |
Malacostraca | |
Callianassa sp. Leach 1814 decapod | |
Potamidae indet. Ortmann 1896 crab | |
Xanthidae sp. MacLeay 1838 stone crab |