Gallagher Creek: Ypresian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda - Gadilida - Gadilidae
Cadulus sp. Philippi 1844
15 specimens
Scaphopoda - Dentaliida - Dentaliidae
Dentalium microstria Heilprin 1880
2 specimens
Gastropoda - Opisthobranchiata - Retusidae
14 specimens
Gastropoda - Heterostropha - Acteonidae
Tornatellaea bella Conrad 1860
1 specimen
Gastropoda - Solariellidae
8 specimens
Gastropoda - Turritellidae
43 specimens
Gastropoda - Neogastropoda - Volutidae
? Athleta sp. Conrad 1853
5 specimens
Gastropoda - Neogastropoda - Costellariidae
10 specimens
Gastropoda - Neogastropoda - Olividae
Agaronia sp. Gray 1839
1 specimen
Gastropoda - Neogastropoda - Turridae
Coronia childreni (Lea 1833)
5 specimens
Coronia childreni var.
1 specimen
Gastropoda - Neogastropoda - Nassariidae
5 specimens
Gastropoda - Neogastropoda - Buccinidae
10 specimens
Pseudoliva sp. Swainson 1840
2 specimens
Gastropoda - Neogastropoda - Melongenidae
Levifusus sp. Conrad 1865
1 specimen
Cornulina sp. Conrad 1853
3 specimens
Gastropoda - Ficidae
1 specimen
Gastropoda - Rostellariidae
10 specimens
Gastropoda - Naticidae
Euspira sabina (Palmer 1937)
2 specimens
3 specimens
Euspira marylandica (Conrad 1865)
3 specimens
Bivalvia - Carditida - Crassatellidae
Crassatella sp. Lamarck 1799
2 specimens
Crassatella halei Harris 1897
3 specimens
    = Crassatella sp. Lamarck 1799
Guardado et al. 2021
5 specimens
Bivalvia - Carditida - Carditidae
Venericardia sp. Lamarck 1801
16 specimens
Bivalvia - Thraciida - Periplomatidae
Periploma sp. Schumacher 1816
1 specimen
Bivalvia - Cardiida - Mactridae
Spisula parilis Conrad 1833
5 specimens
Spisula parilis bistriata
Bivalvia - Cardiida - Veneridae
39 specimens
41 specimens
Bivalvia - Cardiida - Cardiidae
6 specimens
Bivalvia - Cardiida - Tellinidae
Tellina sp. Linnaeus 1758
15 specimens
Bivalvia - Cardiida - Psammobiidae
4 specimens
Bivalvia - Pholadida - Corbulidae
84 specimens
Bivalvia - Pholadida - Pholadidae
Pholas sp. Linnaeus 1758
3 specimens
Bivalvia - Lucinida - Lucinidae
6 specimens
Linga pomilia Conrad 1833
27 specimens
Linga pomilia smithi
Epilucina sp. Dall 1901
16 specimens
Bivalvia - Nuculida - Nuculidae
Nucula ovula Lea 1833
8 specimens
Bivalvia - Nuculanida - Nuculanidae
2 specimens
1 specimen
7 specimens
10 specimens
see common names

Geography
Country:United States State/province:Mississippi County:Lauderdale
Coordinates: 32.4° North, 88.7° West (view map)
Paleocoordinates:36.2° North, 65.0° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
Stage: Ypresian 10 m.y. bin: Cenozoic 2
Key time interval: Ypresian
Age range of interval: 56 - 47.8 m.y. ago
Stratigraphy
Geological group:Wilcox Formation:Hatchetigbee Bluff Member:Bashi
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:glauconitic,gray unlithified sandstone
Lithology description: unlithified light grey glauconitic, quartz sand
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk
Minimum sieve size:2.000
Rock censused:302 g
Reason for describing collection:paleoecologic analysis
Collection method comments: Sample was collected by David Dockery and is reposited at the MS Dept of Environmental Quality. Gastropod shells were only counted if they contained the apex of the shell; bivalve shells were only counted if they contained the umbo.

Metadata
Database number:89872
Authorizer:J. Sessa, P. Wagner Enterer:L. Eccles, P. Wagner
Modifier:J. Sessa Research group:GCP,marine invertebrate
Created:2009-06-19 07:19:55 Last modified:2025-02-22 15:12:02
Access level:the public Released:2009-06-19 07:19:55
Creative Commons license:CC0
Reference information

Primary reference:
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]

Secondary references:

83571 R. Guardado, R. Lockwood, L. Wingard and P. Wagner. 2021. Phylogenetics of Crassattella. [P. Wagner/P. Wagner]
34008 L. C. Ivany, C. Pietsch, J. C. Handley, R. Lockwood, W. D. Allmon and J. A. Sessa. 2018. Little lasting impact of the Paleocene-Eocene Thermal Maximum on shallow marine mollusk faunas. Science Advances [J. Sessa/J. Sessa/J. Sessa]