Spear Creek (H76-35-1) Bulk 1: Ypresian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda - Gadilida - Gadilidae
Cadulus sp. Philippi 1844
3 specimens
Scaphopoda - Dentaliida - Dentaliidae
2 specimens
Gastropoda - Heterostropha - Acteonidae
Tornatellaea bella Conrad 1860
1 specimen
Gastropoda - Neogastropoda - Nassariidae
24 specimens
Gastropoda - Neogastropoda - Fasciolariidae
2 specimens
Gastropoda - Neogastropoda - Buccinidae
1 specimen
33 specimens
Pseudoliva vetusta (Conrad 1833)
1 specimen
Pseudoliva vetusta forma
Gastropoda - Neogastropoda - Melongenidae
7 specimens
Gastropoda - Rostellariidae
15 specimens
Gastropoda - Naticidae
Euspira leana (Palmer 1937)
6 specimens
Gastropoda - Tornidae
Teinostoma sp. Adams and Adams 1853
3 specimens
Bivalvia - Carditida - Carditidae
137 specimens
MNI 74
Bivalvia - Carditida - Astartidae
4 specimens
MNI 3
Bivalvia - Cardiida - Mactridae
Spisula parilis Conrad 1833
2 specimens
MNI 1 Spisula parilis bistriata
Bivalvia - Cardiida - Veneridae
29 specimens
MNI 16
12 specimens
MNI 9
Bivalvia - Pholadida - Corbulidae
Vokesula aldrichi (Meyer 1885)
13 specimens
MNI 9
Bivalvia - Lucinida - Lucinidae
4 specimens
Linga pomilia smithi MNI 3
1 specimen
Bivalvia - Pectinida - Pectinidae
Pectinidae indet. Wilkes 1810
1 specimen
Bivalvia - Nuculida - Nuculidae
8 specimens
MNI 6
Bivalvia - Nuculanida - Nuculanidae
17 specimens
MNI 9
see common names

Geography
Country:United States State/province:Alabama County:Choctaw
Coordinates: 32.1° North, 88.2° West (view map)
Paleocoordinates:35.8° North, 64.6° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
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
Formation:Hatchetigbee Bluff Member:Bashi
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:yellow poorly lithified calcareous sandstone
Lithology description: Indurated calcareous sand, weathered yellow very fossiliferous. Layer of large flat lying Venericardia valves near top of unit.
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk,sieve,survey of museum collection
Reason for describing collection:paleoecologic analysis
Museum repositories:YPM
Collection method comments: Hansen dissertation material reposited at YPM, was picked and identified by T. Hansen.
Metadata
Database number:83809
Authorizer:A. Miller Enterer:J. Sessa
Modifier:J. Sessa Research group:GCP,marine invertebrate
Created:2008-09-02 12:09:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:2008-09-02 12:09:00
Creative Commons license:CC0
Reference information

Primary reference:
42. T. A. Hansen. 1978. Ecological control of evolutionary rates in Paleocene - Eocene marine molluscs. Ph.D. Thesis, Yale University 1-310 [T. Hansen/M. Sommers/A. Clement]

Secondary references:

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]
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]