List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus sp.
(Lamarck 1801)
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Modiolus (Brachidontes) informal sp. B
(Lamarck 1801)
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Palmer and Brann 1965 | |||||||||
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Bivalvia
- Ostreida
- Pinnidae
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Atrina gardnerae
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Palmer and Brann 1965 | |||||||||
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Pinna gardnerae
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Bivalvia
- Carditida
- Carditidae
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Venericardia sp.
Lamarck 1801
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Venericardia (Venericor) gardnerae n. sp.
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Barry and LeBlanc 1942 | |||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbula sp.
Bruguière 1789
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Bivalvia
- Cardiida
- Cardiidae
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Cardium sp.
Linnaeus 1758
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Bivalvia
- Cardiida
- Tellinidae
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Tellina cf. estellensis
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Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana sp.
Link 1807
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Barry and LeBlanc 1942 | |||||||||
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Leda sp.
Schumacher 1817
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| synonym of Nuculana | ||||||||||
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Gastropoda
- Lepetellida
- Fissurellidae
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? Fissurella sp.
Bruguière 1789
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? Diodora informal sp. C
Gray 1821
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Palmer and Brann 1965 | |||||||||
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? Diodora informal sp. D
Gray 1821
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Palmer and Brann 1965 | |||||||||
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Gastropoda
- Epitoniidae
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Epitonium sp.
Bolten 1798
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Gastropoda
- Naticidae
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Sinum sp.
Röding 1798
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Sinum informal sp. C
Röding 1798
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Palmer and Brann 1965 | |||||||||
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Gastropoda
- Ficidae
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Priscoficus juvenis
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Gastropoda
- Neogastropoda
- Costellariidae
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Orthosurcula persa
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| including O. persa n. var. pleasanthillensis | ||||||||||
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Orthosurcula longipersa
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Orthosurcula aff. adeona
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Gastropoda
- Neogastropoda
- Volutidae
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Athleta petrosa
(Conrad 1833)
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Gastropoda
- Rostellariidae
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Calyptraphorus aldrichi
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Gastropoda
- Cassidae
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Galeodea sp.
Link 1807
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? Galeodea informal sp. A
Link 1807
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Palmer and Brann 1965 | |||||||||
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Gastropoda
- Ampullinidae
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Ampullina alabamiensis
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Louisiana | County: | Sabine |
| Coordinates: | 31.6° North, 93.6° West (view map) | ||||
| Paleocoordinates: | 35.5° North, 75.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 190 feet | ||||
| Geographic resolution: | outcrop |
Stratigraphy
| Geological group: | Midway | Formation: | Logansport | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: JAS has updated the age of this collection. "Logansport" was noted as a preoccupied name by Palmer and Brann (1965), who instead used the name "Halls Summit". Some confusion about the age of collections from this reference. While text states them to be Eocene, the Wilcox Group is in fact late Paleocene. No finer lithostratigraphic designation is stated in text, but Toulmin (1977) reports many of LeBlanc's taxa as belonging to the Logansport Formation of Sabine Parish, Louisiana. Logansport Formation lies betweent the Naborton and Hall Summit Formations, all of Thanetian age, and underlies further the Ypresian (Earliest Eocene) Marthaville, Pendleton and Sabinetown Formations. | |||||
Lithology and environment
| Primary lithology: | concretionary,brown,gray,yellow lithified calcareous siltstone |
| Includes fossils? | Y |
| Lithology description: Yellowish brown septarian calcareous siltstone concretions | |
| Environment: | offshore |
| Geology comments: No paleoenvironmental data stated. Appears to be a shallow shelfal environment. Enterer has designated it as "offshore siliciclastic". | |
Taphonomy
| Modes of preservation: | body,concretion |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Collected by LaBlanc and Barry (1939). | |
| Taxonomic list comments:Antiquated nomenclature. Reviewed by LaBlanc (1942), and some names are validated by Toulmin (1977). | |
Metadata
| Also known as: | M 78 | ||
| Database number: | 52196 | ||
| Authorizer: | A. Hendy, J. Sessa | Enterer: | A. Hendy, L. Eccles |
| Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
| Created: | 2005-07-30 17:21:27 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | group members | Released: | 2010-07-30 17:21:27 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 14033. | 1% 21600 | R. J. LeBlanc and J.O. Barry. 1941. Fossiliferous localities of Midway Group in Louisiana. Bulletin of the American Association of Petroleum Geologists 25(4):734-738 [A. Miller/A. Hendy/A. Hendy] |
Secondary references:
| 35012 | J. O. Barry and R. J. LeBlanc. 1942. Lower Eocene Faunal Units of Lousiana. Geological Bulletin of the state of Louisiana Dept. of Conservation (23)1-208 [J. Sessa/L. Eccles/L. Eccles] | |
| 11845 | K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy] | |
| 11846 | K. V. Palmer and D. C. Brann. 1966. Catalogue of the Paleocene and Eocene Mollusks of the Southern and Eastern United States Part II. Gastropoda. Bulletins of American Paleontology 48:471-1057 [M. Kosnik/M. Kosnik/J. Sessa] |