AWi-14 Rep 2: Selandian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Scleractinia - Caryophylliidae
Trochocyathus hyatti Vaughan 1900
3 specimens
synonym of Trochocyathus lakii
Polychaeta - Sabellida - Serpulidae
Rotularia mcglameryae
1 specimen
Scaphopoda - Gadilida - Gadilidae
Cadulus sp. Philippi 1844
1 specimen
Bivalvia - Ostreida - Ostreidae
Ostrea cf. crenulimarginata Gabb 1860
1 specimen
Ostrea pulaskensis Harris 1892
1 specimen
Bivalvia - Pectinida - Propeamussiidae
Propeamussium alabamense (Aldrich 1886)
62 specimens
Bivalvia - Arcida - Cucullaeidae
Cucullaea macrodonta
22 specimens
Bivalvia - Cardiida - Veneridae
Pitar ? ripleyanus
2 specimens
Bivalvia - Pholadida - Corbulidae
Corbula subcompressa
6 specimens
Bivalvia - Carditida - Carditidae
Venericardia sp. Lamarck 1801
4 specimens
Venericardia wilcoxensis Dall 1903
2 specimens
recombined as Venericardia (Baluchicardia) wilcoxensis
Bivalvia - Nuculida - Nuculidae
Nucula mediavia Harris 1896
4 specimens
recombined as Nucula (Nucula) mediavia
Gastropoda - Naticidae
Natica reversa
1 specimen
Euspira perspecta
2 specimens
Gastropoda - Vitrinellidae
? Vitrinella sp. Adams 1850
1 specimen
Gastropoda - Neogastropoda - Muricidae
Eupleura morula
2 specimens
Gastropoda - Neogastropoda - Raphitomidae
Pleurotomella whitfieldi
2 specimens
Gastropoda - Neogastropoda - Turridae
Coronia mediavia
1 specimen
spelled with current rank as Gemmula (Coronia)
Gastropoda - Neogastropoda - Costellariidae
Orthosurcula persa
1 specimen
Orthosurcula adeona
4 specimens
Gastropoda - Neogastropoda - Ptychatractidae
Exilia pergracilis Conrad 1860
2 specimens
Gastropoda - Neogastropoda - Olivellidae
Agaronia mediavia
2 specimens
Gastropoda - Neogastropoda - Fasciolariidae
cf. Papillina mohri
1 specimen
Falsifusus harrisi
3 specimens
Gastropoda - Ficidae
Perissolax sp. Gabb 1861
1 specimen
Gastropoda - Turritellidae
Turritella informal sp. A Lamarck 1799
4 specimens
Gastropoda - Opisthobranchia - Retusidae
Retusa sp. Brown 1827
3 specimens
Gastropoda - Lepetellida - Lepetellidae
? Sablea sp. Allen 1970
1 specimen
see common names

Geography
Country:United States State/province:Alabama County:Wilcox
Coordinates: 32.0° North, 87.4° West (view map)
Paleocoordinates:34.7° North, 69.3° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
Stage:Selandian 10 m.y. bin:Cenozoic 1
Key time interval:Selandian
Age range of interval:61.60000 - 59.20000 m.y. ago
Stratigraphy
Geological group:Midway Formation:Porters Creek Member:Matthews Landing Marl
Stratigraphic resolution:bed
Stratigraphy comments: Bulk 1 is 50m laterally from bulk 2, Bulk 4 is ~1.25m higher than Bulks 1&5 and ~7m laterally, Bulk 5 is 1m laterally from Bulk 1.
Lithology and environment
Primary lithology:micaceous,gray unlithified sandy,calcareous claystone
Includes fossils?Y
Lithology description: light grey calcareous sandy micaceous clay
Environment:deep subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk,sieve,field collection
Rock censused:2705 g
Reason for describing collection:paleoecologic analysis
Collection method comments: Gastropod shells were only counted if they contained the apex of the shell; bivalves shells were only counted if they contained the umbo.
Metadata
Database number:86182
Authorizer:M. Patzkowsky Enterer:J. Sessa
Modifier:U. Smith Research group:GCP,marine invertebrate
Created:2009-01-26 08:08:53 Last modified:2010-10-15 00:24:14
Access level:the public Released:2009-01-26 08:08:53
Creative Commons license:CC BY
Reference information

Primary reference:
28506. J. A. Sessa, M. E. Patzkowsky, and T. J. Bralower. 2009. Impact of lithification on the diversity, size distribution, and recovery dynamics of marine invertebrate assemblages. Geology 37(2):115-118 [M. Patzkowsky/J. Sessa/J. Sessa]

Secondary references:

29915 J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]