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Verdun - Lagunitas Sandstone

Formation	Verdun
Member	Lagunitas Sandstone
Age:	41.3 - 38.0 Ma Eocene
Interval	Bartonian
Lithology	sandstone
Number of Collections	1
Number of Occurrences	27

Recorded Sample Locations

Location	Region	Stratigraphic Name
Casa Saman - [Lagunitas Sandstone		Verdun - Lagunitas Sandstone

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Saman - Saman Conglomerate	37.2 - 33.9 Ma Paleogene	conglomerate	27
Talara	37.2 - 33.9 Ma Paleogene	siliciclastic, "limestone"	3
Talara - Lomitos Conglomerate	41.3 - 38.0 Ma Eocene	shale	19

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Arginella samanensis species	7	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Arginella : *Arginella samanensis*	41.3 - 38 Ma Eocene
Glycymeris sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : *Glycymeris*	41.3 - 38 Ma Eocene
Venericardia (Venericor) samanensis species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia (Venericor) samanensis*	41.3 - 38 Ma Eocene
Ostrea samanensis species	7	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : *Ostrea samanensis*	41.3 - 38 Ma Eocene
Lamelliconcha samanensis species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Lamelliconcha : *Lamelliconcha samanensis*	41.3 - 38 Ma Eocene
Ampullina ortoni species	7	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : Ampullina : *Ampullina ortoni*	41.3 - 38 Ma Eocene
Dorsanum lagunitensis species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Dorsanum : *Dorsanum lagunitensis*	41.3 - 38 Ma Eocene
Pseudoliva sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Pseudolividae : *Pseudoliva*	41.3 - 38 Ma Eocene
Conus sauridens chiraensis subspecies	7.3	Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : Conus : *Conus sauridens chiraensis*	41.3 - 38 Ma Eocene
Morum sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Harpidae : *Morum*	41.3 - 38 Ma Eocene
Melongena sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Melongenidae : *Melongena*	41.3 - 38 Ma Eocene
Olivancillaria (Agaronia) peruviana species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Olivellidae : Agaronia : *Olivancillaria (Agaronia) peruviana*	41.3 - 38 Ma Eocene
Terebra sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : *Terebra*	41.3 - 38 Ma Eocene
Scobinella sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : *Scobinella*	41.3 - 38 Ma Eocene
Plejona sula species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : Voluta : *Plejona sula*	41.3 - 38 Ma Eocene
Architectonica sp. genus	6	Animalia : Mollusca : Gastropoda : Architectonicidae : *Architectonica*	41.3 - 38 Ma Eocene
Architectonica sullana species	7	Animalia : Mollusca : Gastropoda : Architectonicidae : Architectonica : *Architectonica sullana*	41.3 - 38 Ma Eocene
Doliocassis samanica species	7	Animalia : Mollusca : Gastropoda : Cassidae : Doliocassis : *Doliocassis samanica*	41.3 - 38 Ma Eocene
Ectinochilus gaudichaudi species	7	Animalia : Mollusca : Gastropoda : Strombidae : Rimella : *Ectinochilus gaudichaudi*	41.3 - 38 Ma Eocene
Cerithium sp. genus	6	Animalia : Mollusca : Gastropoda : Cerithiidae : *Cerithium*	41.3 - 38 Ma Eocene
Cerithium (Tympanotonus) sp. subgenus	6.3	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Cerithiidae : Cerithium : *Cerithium (Tympanotonus)*	41.3 - 38 Ma Eocene
Faunus sp. genus	6	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Pachychilidae : *Faunus*	41.3 - 38 Ma Eocene
Turritella chira species	7	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella chira*	41.3 - 38 Ma Eocene
Turritella samanensis species	7	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella samanensis*	41.3 - 38 Ma Eocene

References

Olsson A. A. (1930) Contributions to the Tertiary Paleontology of Northern Peru: Part 3, Eocene Mollusca, Bulletins of American Paleontology 17 62, 1-164

Gardner J., Bowles E. (1939) The Venericardia planicosta group in the Gulf Province, United States Geological Survey Professional Paper 189 F, 143-215

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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