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Chesapeake - Eastover - Claremont Manor, USA

Group	Chesapeake
Formation	Eastover
Member	Claremont Manor
Age:	7.25 - 5.33 Ma Miocene
Interval	Messinian
Lithology	sandstone
Number of Collections	10
Number of Occurrences	99

Recorded Sample Locations

Location	Region	Stratigraphic Name
Elsing Green	King William County, Virginia, USA	Chesapeake - Eastover - Claremont Manor
Laytons Landing	Essex County, Virginia, USA	Chesapeake - Eastover - Claremont Manor
Mount Pleasant	Surry County, Virginia, USA	Chesapeake - Eastover - Claremont Manor
White Oak Landing	King William County, Virginia, USA	Chesapeake - Eastover - Claremont Manor
Rickahock	Virginia, USA	Chesapeake - Eastover - Claremont Manor
Haulover Inlet	St. Mary's County, Maryland, USA	Chesapeake - Eastover - Claremont Manor
Carters Wharf	USA	Chesapeake - Eastover - Claremont Manor
Stratford Bluffs	Westmoreland County, Virginia, USA	Chesapeake - Eastover - Claremont Manor
Stratford Hall	Westmoreland County, Virginia, USA	Chesapeake - Eastover - Claremont Manor

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Bacons Castle - Bahramsville	1.81 - 0.78 Ma Pleistocene		38
Chesapeake - Calvert - Calvert Beach	13.8 - 11.6 Ma Miocene	claystone, sandstone, siltstone	330
Chesapeake - Calvert - Plum Point	13.8 - 11.6 Ma Miocene	claystone, sandstone, conglomerate/claystone, marl	656
Chesapeake - Choptank	13.8 - 11.6 Ma Miocene	siltstone	89
Chesapeake - Choptank - Boston Cliffs	13.8 - 11.6 Ma Miocene	sandstone, claystone	155
Chesapeake - Choptank - Drumcliff	13.8 - 11.6 Ma Miocene	sandstone, claystone	591
Chesapeake - Eastover - Cobham Bay	7.25 - 5.33 Ma Miocene	sandstone	49
Chesapeake - Saint Marys - Windmill Point	11.6 - 7.25 Ma Miocene	claystone, sandstone	106
Chesapeake - St. Marys	11.6 - 7.25 Ma Miocene		52
Chesapeake - Yorktown - Sunken Meadow	5.33 - 3.60 Ma Neogene	sandstone	31

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Poaceae family	5	Plantae : Tracheophyta : Liliopsida : Poales : Poaceae	7.246 - 5.333 Ma Miocene
Dallarca carolinensis species	7	*Dallarca carolinensis*	7.246 - 5.333 Ma Miocene
Pinus sp. genus	6	Plantae : Tracheophyta : Pinopsida : Pinales : Pinaceae : *Pinus*	7.246 - 5.333 Ma Miocene
Asteraceae family	5	Plantae : Tracheophyta : Magnoliopsida : Asterales : Asteraceae	7.246 - 5.333 Ma Miocene
Amaranthaceae family	5	Plantae : Tracheophyta : Magnoliopsida : Caryophyllales : Amaranthaceae	7.246 - 5.333 Ma Miocene
Alnus sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : Fagales : Betulaceae : *Alnus*	7.246 - 5.333 Ma Miocene
Betula sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : Fagales : Betulaceae : *Betula*	7.246 - 5.333 Ma Miocene
Quercus sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : *Quercus*	7.246 - 5.333 Ma Miocene
Carya sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : *Carya*	7.246 - 5.333 Ma Miocene
Acer sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : Sapindales : Sapindaceae : *Acer*	7.246 - 5.333 Ma Miocene
Decapoda order	4	Animalia : Arthropoda : Malacostraca : Decapoda	7.246 - 5.333 Ma Miocene
Amia sp. genus	6	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : *Amia*	7.246 - 5.333 Ma Miocene
Alepisaurus sp. genus	6	Animalia : Chordata : Actinopterygii : Aulopiformes : Alepisauridae : *Alepisaurus*	7.246 - 5.333 Ma Miocene
Megalops atlanticus species	7	Animalia : Chordata : Actinopterygii : Elopiformes : Megalopidae : Megalops : *Megalops atlanticus*	7.246 - 5.333 Ma Miocene
Protautoga conidens species	7	Animalia : Chordata : Actinopteri : Labriformes : Labridae : Protautoga : *Protautoga conidens*	7.246 - 5.333 Ma Miocene
Pogonias multidentatus species	7	Animalia : Chordata : Actinopteri : Sciaenidae : Pogonias : *Pogonias multidentatus*	7.246 - 5.333 Ma Miocene
Lagodon rhomboides species	7	Animalia : Chordata : Actinopterygii : Perciformes : Sparidae : Lagodon : *Lagodon rhomboides*	7.246 - 5.333 Ma Miocene
Acanthocybium sp. genus	6	Animalia : Chordata : Actinopteri : Scombriformes : Scombridae : *Acanthocybium*	7.246 - 5.333 Ma Miocene
Scomberomorus sp. genus	6	Animalia : Chordata : Actinopteri : Scombriformes : Scombridae : *Scomberomorus*	7.246 - 5.333 Ma Miocene
Diodon sp. genus	6	Animalia : Chordata : Actinopteri : Tetraodontiformes : Diodontidae : *Diodon*	7.246 - 5.333 Ma Miocene
Sphoeroides sp. genus	6	Animalia : Chordata : Actinopteri : Tetraodontiformes : Tetraodontidae : *Sphoeroides*	7.246 - 5.333 Ma Miocene
Aves class	3	Animalia : Chordata : Aves	7.246 - 5.333 Ma Miocene
Alca sp. genus	6	Animalia : Chordata : Aves : Charadriiformes : Alcidae : *Alca*	7.246 - 5.333 Ma Miocene
Miocepphus blowi species	7	Animalia : Chordata : Aves : Charadriiformes : Alcidae : Miocepphus : *Miocepphus blowi*	7.246 - 5.333 Ma Miocene
Miocepphus mcclungi species	7	Animalia : Chordata : Aves : Charadriiformes : Alcidae : Miocepphus : *Miocepphus mcclungi*	7.246 - 5.333 Ma Miocene
Meleagris sp. genus	6	Animalia : Chordata : Aves : Galliformes : Phasianidae : *Meleagris*	7.246 - 5.333 Ma Miocene
Chondrichthyes class	3	Animalia : Chordata : Chondrichthyes	7.246 - 5.333 Ma Miocene
Carcharhinus sp. genus	6	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : *Carcharhinus*	7.246 - 5.333 Ma Miocene
Galeocerdo contortus species	7	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : Galeocerdo : *Galeocerdo contortus*	7.246 - 5.333 Ma Miocene
Negaprion eurybathrodon species	7	Animalia : Chordata : Chondrichthyes : Carchariniformes : Carcharhinidae : Negaprion : *Negaprion eurybathrodon*	7.246 - 5.333 Ma Miocene
? no name ?	100		7.246 - 5.333 Ma Miocene
Mustelus sp. genus	6	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Triakidae : *Mustelus*	7.246 - 5.333 Ma Miocene
Isurus oxyrinchus species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Lamnidae : Isurus : *Isurus oxyrinchus*	7.246 - 5.333 Ma Miocene
Otodus megalodon species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Otodontidae : Otodus : *Otodus megalodon*	7.246 - 5.333 Ma Miocene
Dasyatis sp. genus	6	Animalia : Chordata : Elasmobranchii : Myliobatiformes : Dasyatidae : *Dasyatis*	7.246 - 5.333 Ma Miocene
Aetobatus sp. genus	6	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Myliobatidae : *Aetobatus*	7.246 - 5.333 Ma Miocene
Pteromylaeus sp. genus	6	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Myliobatidae : *Pteromylaeus*	7.246 - 5.333 Ma Miocene
Rhinoptera sp. genus	6	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Myliobatidae : *Rhinoptera*	7.246 - 5.333 Ma Miocene
Raja sp. genus	6	Animalia : Chordata : Elasmobranchii : Rajiformes : Rajidae : *Raja*	7.246 - 5.333 Ma Miocene
Squalus sp. genus	6	Animalia : Chordata : Chondrichthyes : Plagiostomi : Squalidae : *Squalus*	7.246 - 5.333 Ma Miocene
Cynorca sp. genus	6	Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : *Cynorca*	7.246 - 5.333 Ma Miocene
Desmathyus sp. genus	6	Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : *Desmathyus*	7.246 - 5.333 Ma Miocene
Callophoca obscura species	7	Animalia : Chordata : Mammalia : Carnivora : Phocidae : Callophoca : *Callophoca obscura*	7.246 - 5.333 Ma Miocene
Prionodelphis capensis species	7	Animalia : Chordata : Mammalia : Carnivora : Phocidae : Homiphoca : *Prionodelphis capensis*	7.246 - 5.333 Ma Miocene
Phocidae family	5	Animalia : Chordata : Mammalia : Carnivora : Phocidae	7.246 - 5.333 Ma Miocene
Mysticeti suborder	4.3	Animalia : Chordata : Mammalia : Cetacea : Burtinopsis : Mysticeti	7.246 - 5.333 Ma Miocene
Odontoceti suborder	4.3	Animalia : Chordata : Mammalia : Cetacea : Champsodelphis : Odontoceti	7.246 - 5.333 Ma Miocene
Balaena sp. genus	6	Animalia : Chordata : Mammalia : Cetacea : Balaenidae : *Balaena*	7.246 - 5.333 Ma Miocene
Balaenoptera sp. genus	6	Animalia : Chordata : Mammalia : Cetacea : Balaenopteridae : *Balaenoptera*	7.246 - 5.333 Ma Miocene
Balaenopteridae family	5	Animalia : Chordata : Mammalia : Cetacea : Balaenopteridae	7.246 - 5.333 Ma Miocene
Plesiocetus sp. genus	6	Animalia : Chordata : Mammalia : Cetacea : Balaenopteridae : *Plesiocetus*	7.246 - 5.333 Ma Miocene
Kentriodon sp. genus	6	Animalia : Chordata : Mammalia : Cetacea : Kentriodontidae : *Kentriodon*	7.246 - 5.333 Ma Miocene
Cetacea order	4	Animalia : Chordata : Mammalia : Cetacea	7.246 - 5.333 Ma Miocene
Hadrodelphis sp. genus	6	Animalia : Chordata : Mammalia : Cetacea : Remingtonocetidae : *Hadrodelphis*	7.246 - 5.333 Ma Miocene
Scaldicetus sp. genus	6	Animalia : Chordata : Mammalia : Cetacea : Physeteridae : *Scaldicetus*	7.246 - 5.333 Ma Miocene
Merychippus sp. genus	6	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Merychippus*	7.246 - 5.333 Ma Miocene
Osteichthyes unranked clade	99	Animalia : Chordata : Osteichthyes	7.246 - 5.333 Ma Miocene
Alligator sp. genus	6	Animalia : Chordata : Reptilia : Crocodylia : Alligatoridae : *Alligator*	7.246 - 5.333 Ma Miocene
Chesacardium laqueatum species	7	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Chesacardium : *Chesacardium laqueatum*	7.246 - 5.333 Ma Miocene
Panopea goldfussii species	7	Animalia : Mollusca : Bivalvia : Adapedonta : Hiatellidae : Panopea : *Panopea goldfussii*	7.246 - 5.333 Ma Miocene
Isognomon (Hippochaeta) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Ostreida : Malleidae : Isognomon : *Isognomon (Hippochaeta)*	7.246 - 5.333 Ma Miocene
Ostrea compressirostra species	7	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : *Ostrea compressirostra*	7.246 - 5.333 Ma Miocene
Chesapecten middlesexensis species	7	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Chesapecten : *Chesapecten middlesexensis*	7.246 - 5.333 Ma Miocene
Glossus fraterna species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Glossidae : Glossus : *Glossus fraterna*	7.246 - 5.333 Ma Miocene
Spisula rappahannockensis species	7	Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Spisula : *Spisula rappahannockensis*	7.246 - 5.333 Ma Miocene
Dosinia sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Dosinia*	7.246 - 5.333 Ma Miocene
Lirophora vredenburgi species	7	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Lirophora : *Lirophora vredenburgi*	7.246 - 5.333 Ma Miocene
Mercenaria druidi species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Mercenaria : *Mercenaria druidi*	7.246 - 5.333 Ma Miocene
Busycotypus coronatum species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Melongenidae : Busycotypus : *Busycotypus coronatum*	7.246 - 5.333 Ma Miocene
Ecphora gardnerae species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Ecphora : *Ecphora gardnerae*	7.246 - 5.333 Ma Miocene
Ecphora kochi species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Ecphora : *Ecphora kochi*	7.246 - 5.333 Ma Miocene
Bulliopsis quadrata species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Nassariidae : Bulliopsis : *Bulliopsis quadrata*	7.246 - 5.333 Ma Miocene
Laevihastula simplex species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : Laevihastula : *Laevihastula simplex*	7.246 - 5.333 Ma Miocene
Mariacolpus plebeia species	7	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Turritellidae : Mariacolpus : *Mariacolpus plebeia*	7.246 - 5.333 Ma Miocene

References

Whitmore F. C. (1984) Stratigraphy and paleontology of the outcropping Tertiary beds, Stratigraphy and Paleontology of the Outcropping Tertiary Beds in the Pamunkey River Region, Central Virginia Coastal Plain, 227-231

Ward L. W. (1992) Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America, Virginia Museum of Natural History 2

Uhen M. D. (2007) USNM Chesapeake Group Cetacean Collection Data

Wijnker E., Olson S. L. (2009) A revision of the fossil genus Miocepphus and other Miocene Alcidae (Aves: Charadriiformes) of the western North Atlantic Ocean, Journal of Systematic Palaeontology 7 4, 471-487

Weems R. E., Edwards L. E., et al (2017) Geology and biostratigraphy of the Potomac River Cliffs at Stratford Hall, Westmoreland County, Virginia, The Geological Society of America Field Guide 47, 125-152

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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