Third and Fourth Streets: Serravallian, Virginia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Carcharhiniformes - Hemigaleidae
Hemipristis serra Agassiz 1835
Leriche 1942
This specimen is from the City of Richmond, but it is unclear where within the city.
Chondrichthyes - Lamniformes - Lamnidae
Oxyrhina hastalis Agassiz 1838
Leriche 1942
recombined as Carcharodon hastalis
This specimen is from the City of Richmond, but it is unclear where within the city.
Chondrichthyes - Squalomorphii - Hexanchidae
Notidanus primigenius Agassiz 1835
Leriche 1942
recombined as Notorhynchus primigenius
This specimen is from the City of Richmond, but it is unclear where within the city.
Actinopteri - Labriformes - Labridae
Protautoga conidens (Leidy 1873)
Leriche 1942
original and current combination Tautoga (Protautoga) conidens
This specimen is from the City of Richmond, but it is unclear where within the city.
Mammalia - Carnivora - Phocidae
Phocidae indet. (Gray 1821)
Ray 1976
original and current combination Phocadae
Mammalia - Cetacea - Squalodelphinidae
Phocageneus venustus n. gen., n. sp. Leidy 1869
1 specimen
This specimen is from the City of Richmond, but it is unclear where within the city.
see common names

Geography
Country:United States State/province:Virginia County:Richmond
Coordinates: 37.5° North, 77.4° West (view map)
Paleocoordinates:37.7° North, 74.6° West
Basis of coordinate:estimated from map
Time
Period:Neogene Epoch:Miocene
Stage:Serravallian 10 m.y. bin:Cenozoic 5
Key time interval:Serravallian
Age range of interval:13.82000 - 11.63000 m.y. ago
Stratigraphy
Geological group:Chesapeake Formation:Calvert
Regional section:Shattuck Regional bed:19
Regional order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: age after Andrews, 1986
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:coastal indet.
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:57114
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2005-12-02 08:22:19 Last modified:2020-06-04 10:52:49
Access level:the public Released:2005-12-02 08:22:19
Creative Commons license:CC BY
Reference information

Primary reference:
12636. 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]

Secondary references:

14892 L. de Verteuil and G. Norris. 1996. Dinoflagellate cyst zonation and allostratigraphy of the Chesapeake Group. Micropaleontology 42:1-25 [M. Uhen/M. Uhen/M. Uhen]
11926 R. Kellogg. 1957. Two additional Miocene porpoises from the Calvert Cliffs Maryland. Proceedings of the United States National Museum 107(3387):279-337 [M. Uhen/M. Uhen/M. Uhen]
28099 M. Leriche. 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 [M. Uhen/M. Uhen]
15419 C. E. Ray. 1976. Phoca wymani and other Tertiary seals (Mammalia: Phocidae) described from the eastern seaboard of North America. Smithsonian Contributions to Paleobiology 28:1-33 [M. Uhen/M. Uhen]