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Midway - Logansport, Louisiana, USA

Group	Midway
Formation	Logansport
Age:	66.0 - 56.0 Ma Paleocene
Interval	Danian - Thanetian
Lithology	claystone, siltstone
Number of Collections	12
Number of Occurrences	136

Recorded Sample Locations

Location	Region	Stratigraphic Name
LGS 1 formerly Locality #1 - Logansport Formation	Sabine Parish, Louisiana, USA	Midway - Logansport
M 332	De Soto Parish, Louisiana, USA	Midway - Logansport
M 89	Sabine Parish, Louisiana, USA	Midway - Logansport

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Wilcox - Pendleton Ferry	56.0 - 47.8 Ma Eocene	sandstone, claystone	205

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Cardium sp. genus	6	Animalia : Mollusca : Bivalvia : *Cardium*	66 - 56 Ma Paleocene
Tellina sp. genus	6	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Tellina*	66 - 56 Ma Paleocene
Venericardia sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : *Venericardia*	66 - 56 Ma Paleocene
Venericardia (Venericor) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia (Venericor)*	66 - 56 Ma Paleocene
Lucina sp. genus	6	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Lucina*	66 - 56 Ma Paleocene
Modiolus sp. genus	6	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : *Modiolus*	66 - 56 Ma Paleocene
Nuculana sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : *Nuculana*	66 - 56 Ma Paleocene
Orthoyoldia sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Yoldiidae : *Orthoyoldia*	66 - 56 Ma Paleocene
Yoldia sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Yoldiidae : *Yoldia*	66 - 56 Ma Paleocene
Ostrea sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : *Ostrea*	66 - 56 Ma Paleocene
Atrina sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : *Atrina*	66 - 56 Ma Paleocene
Pinna sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : *Pinna*	66 - 56 Ma Paleocene
Anomia sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Anomiidae : *Anomia*	66 - 56 Ma Paleocene
Corbula sp. genus	6	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : *Corbula*	66 - 56 Ma Paleocene
Corbula (Caryocorbula) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Pholadida : Corbulidae : Corbula : *Corbula (Caryocorbula)*	66 - 56 Ma Paleocene
Martesia sp. genus	6	Animalia : Mollusca : Bivalvia : Myida : Pholadidae : *Martesia*	66 - 56 Ma Paleocene
Ampullina sp. genus	6	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : *Ampullina*	66 - 56 Ma Paleocene
Bullinella sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Bullidae : *Bullinella*	66 - 56 Ma Paleocene
Retusa (Cylichnina) sp. subgenus	6.3	Animalia : Mollusca : Gastropoda : Cephalaspidea : Retusidae : Retusa : *Retusa (Cylichnina)*	66 - 56 Ma Paleocene
Orthosurcula sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : *Orthosurcula*	66 - 56 Ma Paleocene
Mitrella sp. genus	6	Animalia : Mollusca : *Mitrella*	66 - 56 Ma Paleocene
Falsifusus sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Turbinellidae : *Falsifusus*	66 - 56 Ma Paleocene
Cornulina sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Melongenidae : *Cornulina*	66 - 56 Ma Paleocene
Levifusus sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Echinofulguridae : *Levifusus*	66 - 56 Ma Paleocene
Levifusus pagodiformis species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Melongenidae : Levifusus : *Levifusus pagodiformis*	66 - 56 Ma Paleocene
Turris sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : *Turris*	66 - 56 Ma Paleocene
Athleta petrosa species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : Athleta : *Athleta petrosa*	66 - 56 Ma Paleocene
Galeodea sp. genus	6	Animalia : Mollusca : Gastropoda : Cassidae : *Galeodea*	66 - 56 Ma Paleocene
Epitonium sp. genus	6	Animalia : Mollusca : Gastropoda : Epitoniidae : *Epitonium*	66 - 56 Ma Paleocene
Priscoficus sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Ficidae : *Priscoficus*	66 - 56 Ma Paleocene
Diodora sp. genus	6	Animalia : Mollusca : Gastropoda : Lepetellida : Fissurellidae : *Diodora*	66 - 56 Ma Paleocene
Fissurella sp. genus	6	Animalia : Mollusca : Gastropoda : Lepetellida : Fissurellidae : *Fissurella*	66 - 56 Ma Paleocene
Polinices sp. genus	6	Animalia : Mollusca : Gastropoda : Naticidae : *Polinices*	66 - 56 Ma Paleocene
Sinum sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : *Sinum*	66 - 56 Ma Paleocene
Calyptraphorus sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Rostellariidae : *Calyptraphorus*	66 - 56 Ma Paleocene
Turritella sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	66 - 56 Ma Paleocene

References

LeBlanc R. J., Barry J.O. (1941) Fossiliferous localities of Midway Group in Louisiana, Bulletin of the American Association of Petroleum Geologists 25 4, 734-738

Barry J. O., LeBlanc R. J. (1942) Lower Eocene Faunal Units of Lousiana, Geological Bulletin of the state of Louisiana Dept. of Conservation 23, 1-208

Palmer K. V., Brann D. C. (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

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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