Where: Richmond County, Virginia (37.5° N, 77.4° W: paleocoordinates 37.7° N, 74.6° W)
• coordinate estimated from map
When: Calvert Formation (Chesapeake Group), Serravallian (13.8 - 11.6 Ma)
• age after Andrews, 1986
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; sandstone
Size class: macrofossils
Preservation: original phosphate
Primary reference: J. Leidy. 1869. The extinct mammalian fauna of Dakota and Nebraska, including an account of some allied forms from other localities, together with a synopsis of the mammalian remains of North America. Journal of the Academy of Natural Sciences, Philadelphia 2:1-472 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 57114: authorized by Mark Uhen, entered by Mark Uhen on 02.12.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Actinopteri | |
Protautoga conidens1 Leidy 1873 This specimen is from the City of Richmond, but it is unclear where within the city.
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Mammalia | |
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Phocageneus venustus n. gen. n. sp.
Phocageneus venustus n. gen. n. sp. Leidy 1869 toothed whale This specimen is from the City of Richmond, but it is unclear where within the city.
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Chondrichthyes | |
"Notidanus primigenius" = Notorhynchus primigenius1
"Notidanus primigenius" = Notorhynchus primigenius1 Agassiz 1835 sevengill shark This specimen is from the City of Richmond, but it is unclear where within the city.
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Hemipristis serra1 Agassiz 1835 ground shark This specimen is from the City of Richmond, but it is unclear where within the city.
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"Oxyrhina hastalis" = Carcharodon hastalis1
"Oxyrhina hastalis" = Carcharodon hastalis1 Agassiz 1838 white shark This specimen is from the City of Richmond, but it is unclear where within the city.
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