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Pamunkey - Nanjemoy - Woodstock, USA

Group	Pamunkey
Formation	Nanjemoy
Member	Woodstock
Age:	55.8 - 33.9 Ma Paleogene
Interval	Ypresian
Lithology	siliciclastic, sandstone, marl
Number of Collections	7
Number of Occurrences	24

Recorded Sample Locations

Location	Region	Stratigraphic Name
Woodstock	Virginia, USA	Pamunkey - Nanjemoy - Woodstock
Douglas Point	Prince William County, Virginia, USA	Pamunkey - Nanjemoy - Woodstock
Pamunkey River - old Newcastle Bridge	King William County, Virginia, USA	Pamunkey - Nanjemoy - Woodstock
Pamunkey River - 0.85 below the Rte. 360 bridge	King William County, Virginia, USA	Pamunkey - Nanjemoy - Woodstock
Pamunkey River - northeast of Farmers Shop Corner	Hanover County, Virginia, USA	Pamunkey - Nanjemoy - Woodstock
Popes Creek	Charles County, Maryland, USA	Pamunkey - Nanjemoy - Woodstock
M 281	King George County, Virginia, USA	Pamunkey - Nanjemoy - Woodstock

Associated Units

Stratigraphic Name	Age	Occurrence Records
Aquia - Piscataway	58.7 - 55.8 Ma Paleogene	45
Pamunkey - Aquia	58.7 - 47.8 Ma Paleogene	329
Pamunkey - Nanjemoy	48.6 - 28.1 Ma Paleogene	189

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Carcharodon sp. genus	6	Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : *Carcharodon*	56 - 47.8 Ma Eocene
Carcharodon auriculatus species	7	Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : Carcharodon : *Carcharodon auriculatus*	56 - 33.9 Ma Paleogene
Lamna cuspidata species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Lamnidae : Lamna : *Lamna cuspidata*	56 - 33.9 Ma Paleogene
Odontaspis macrota species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Odontaspididae : Odontaspis : *Odontaspis macrota*	56 - 47.8 Ma Eocene
Aetobatis irregularis species	7	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Myliobatidae : Aetobatus : *Aetobatis irregularis*	56 - 47.8 Ma Eocene
Palaeophis sp. genus	6	Animalia : Chordata : Reptilia : Squamata : Palaeophiidae : *Palaeophis*	56 - 47.8 Ma Eocene
Palaeophis grandis species	7	Animalia : Chordata : Reptilia : Squamata : Palaeophiidae : Palaeophis : *Palaeophis grandis*	56 - 47.8 Ma Eocene
Glycymeris sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : *Glycymeris*	55.8 - 48.6 Ma Eocene
Protocardia virginiana species	7	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Protocardia : *Protocardia virginiana*	56 - 33.9 Ma Paleogene
Venericardia sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : *Venericardia*	55.8 - 48.6 Ma Eocene
Venericardia (Venericor) ascia species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia (Venericor) ascia*	56 - 47.8 Ma Eocene
Modiola potomacensis species	7	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus : *Modiola potomacensis*	56 - 33.9 Ma Paleogene
Meretrix subimpressa species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Meretrix : *Meretrix subimpressa*	56 - 33.9 Ma Paleogene
Cimomia marylandensis species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Cimomia : *Cimomia marylandensis*	56 - 47.8 Ma Eocene
Hercoglossa tuomeyi species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Hercoglossa : *Hercoglossa tuomeyi*	56 - 47.8 Ma Eocene
Cylichna venusta species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Cylichna : *Cylichna venusta*	56 - 33.9 Ma Paleogene
Fusus (Levifusus) trabeatus species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Melongenidae : Levifusus : *Fusus (Levifusus) trabeatus*	56 - 33.9 Ma Paleogene
Mangilia (Pleurotomella) bellistriata species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Raphitomidae : Pleurotomella : *Mangilia (Pleurotomella) bellistriata*	56 - 33.9 Ma Paleogene
Turritella sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	56 - 47.8 Ma Eocene

References

Clark W. B. Contributions to the Eocene fauna of the Middle Atlantic slope, Johns Hopkins University Circulars 15 121, 3-6

Clark W. B., Martin G. C. (1901) Mollusca, Maryland Geological Survey, Eocene, 122-203

Eastman C. R. (1901) Pisces, Maryland Geological Survey Eocene, 98-115

Blake S.F. (1941) Note on a vertebra of Palaeophis from the Eocene of Maryland., Journal of the Washington Academy of Sciences 31 12, 501-503

Leriche M. (1942) Contribution a l'etude des faunes ichthyologiques marines des terrains tertiaires de la plaine cotiere Atlantique et du centre des Etats-Unis, Memoires de la Societe Geologique de France (Nouvelle Serie) 45, 1-111

Miller A. K. (1947) Tertiary nautiloids of the Americas, Geological Society of America Memoir 23, 1-234

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

Weems R. E. (1985) Vertebrate biozones of the Pamunkey Group (Paleocene and Eocene, Maryland and Virginia), Stratigraphy and paleontology of the outcropping Tertiary beds in the Pamunkey River region, central Virginia Coastal Plain -- Guidebook for Atlantic Coastal Plain Geological Association 1984 field Trip: Atlantic Coastal Plain Geological Association, 198-209

Ward L. W. (1985) Stratigraphy and Characteristic Mollusks of the Pamunkey Group (Lower Tertiary) and the Old Church Formation of the Chesapeake Group-Virginia Coastal Plain, United States Geological Survey Professional Paper 1346, 1-77

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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