Barrytown AL, lower sellaeformis bed, bag #2: Bartonian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Heterostropha - Architectonicidae
1 individual
A. m. splendida
Gastropoda - Rostellariidae
4 individuals
C. v. nodovelatus - originally entered as "Calyptraphorus velatus"
Gymnolaemata - Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
283 individuals
lunulitid A
Bivalvia
1 individual
.5 individuals
Bivalvia - Ostreida - Ostreidae
57.5 individuals
Bivalvia - Pectinida - Pectinidae
Eburneopecten sp. (Conrad 1865)
.5 individuals
Bivalvia - Arcida - Arcidae
Pachecoa sp. Harris 1919
135 individuals
Bivalvia - Carditida - Carditidae
22 individuals
Bivalvia - Lucinida - Lucinidae
Linga pomilia Conrad 1833
.5 individuals
Bivalvia - Cardiida - Tellinidae
1.5 individuals
Bivalvia - Cardiida - Veneridae
1.5 individuals
Bivalvia - Pholadida - Corbulidae
2 individuals
9 individuals
4 individuals
Bivalvia - Nuculida - Nuculidae
Nucula magnifica Conrad 1833
3.5 individuals
Gastropoda
1 individual
Gastropod A
1 individual
Gastropod X
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
13 individuals
all species
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula lirata Conrad 1833
1 individual
Crepidula dumosa Conrad 1834
1 individual
Gastropoda - Naticidae
Naticidae indet. Guilding 1834
184 individuals
Gastropoda - Vitrinellidae
Vitrinella sp. Adams 1850
1 individual
Gastropoda - Ficidae
8 individuals
10 individuals
Gastropoda - Neogastropoda - Olividae
Ancilla staminea Conrad 1832
3 individuals
Gastropoda - Neogastropoda - Melongenidae
22 individuals
Gastropoda - Neogastropoda - Buccinidae
3 individuals
Pseudoliva vetusta (Conrad 1833)
1 individual
329 individuals
Gastropoda - Neogastropoda - Volutidae
Athleta petrosus (Conrad 1833)
11 individuals
5 individuals
Gastropoda - Neogastropoda - Cochlespiridae
Eodrillia texana (Conrad 1865)
1 individual
originally entered as "Eodrillia texana"
1 individual
3 individuals
Gastropoda - Neogastropoda - Conidae
9 individuals
Gastropoda - Neogastropoda - Turridae
9 individuals
3 individuals
2 individuals
Protosurcula gabbi Conrad 1865
5 individuals
9 individuals
6 individuals
Gastropoda - Neogastropoda - Cancellariidae
1 individual
originally entered as "Trigonostoma aurorae?"
1 individual
32 individuals
spp A
1 individual
spp B
Gastropoda - Neogastropoda - Mitridae
9 individuals
Gastropoda - Epitoniidae
Cirsotrema sp. Mörch 1852
3 individuals
Gastropoda - Heterostropha - Mathildidae
11 individuals
G. a. striata
Gastropoda - Heterostropha - Pyramidellidae
5 individuals
Gastropoda - Heterostropha - Acteonidae
1 individual
originally entered as "Acteon pomilius"
Actaeon idoneus Conrad 1833
5 individuals
originally entered as "Acteon idoneus"
Gastropoda - Heterostropha - Ringiculidae
98 individuals
Gastropoda - Skeneidae
Skena pignus (de Gregorio 1890)
2 individuals
originally entered as "Skenea pignus"
Gastropoda - Lepetellida - Fissurellidae
Diodora sp. Gray 1821
1 individual
Gastropoda - Opisthobranchiata - Retusidae
70 individuals
Scaphopoda - Gadilida - Gadilidae
Cadulus sp. Philippi 1844
82 individuals
Anthozoa - Scleractinia - Turbinoliidae
24 individuals
see common names

Geography
Country:United States State/province:Alabama County:Choctaw
Coordinates: 31.8° North, 88.3° West (view map)
Paleocoordinates:35.5° North, 71.0° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
Stage: Bartonian 10 m.y. bin: Cenozoic 3
*Period:Tertiary *Local age/stage:Claibornian
Key time interval: Bartonian
Age range of interval: 41.03 - 37.71 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Lisbon Member:Upper
Stratigraphic resolution:bed
Stratigraphy comments: lower part of upper Lisbon

Cubitostrea sellaeformis oyster bed

Lithology and environment
Primary lithology:glauconitic unlithified marl
Environment:offshore Tectonic setting:passive margin
Geology comments: glauconitic sandy marl

Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk,mechanical,sieve,field collection
Reason for describing collection:paleoecologic analysis
Taxonomic list comments:includes all countable macrofossils
Metadata
Also known as:ACh-8-b2
Database number:2420
Authorizer:L. Ivany Enterer:L. Ivany
Modifier:J. Sessa Research group:GCP,marine invertebrate
Created:1999-07-03 15:46:59 Last modified:2025-02-22 15:12:02
Access level:the public Released:1999-07-03 15:46:59
Creative Commons license:CC0
Reference information

Primary reference:
72. L. C. Ivany. 1997. Faunal stability and environmental change in the middle Eocene Gulf Coastal Plain (PhD Thesis, Harvard University). 1-221 [L. Ivany/L. Ivany/A. Clement]