Parker Creek, south, Zone 13: Langhian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Mollusca indet. Linnaeus 1758
Ward 1992
Mammalia - Cetacea
Siphonocetus priscus (Leidy 1851)
Barwick 1940 1 specimen
nomen dubium belonging to Siphonocetes
Mammalia - Cetacea - Physeteridae
Orycterocetus crocodilinus Cope 1867
Kellogg 1965
Mammalia - Cetacea - Eurhinodelphinidae
Eurhinodelphis sp. Van Beneden and Gervais 1880
Uhen 2007
Mammalia - Cetacea - Kentriodontidae
Kentriodon pernix Kellogg 1927
Uhen 2007 1 specimen
Reptilia - Testudines - Cheloniidae
Syllomus sp. Cope 1896
Uhen 2007 1 specimen
    = Peritresius virginianus Berry and Lynn 1936
Berry and Lynn 1936
synonym of Syllomus aegyptiacus
USNM specimens from "one-half mile south of Parker Creek"
Reptilia
Gavialosuchus antiquus Leidy 1852
Uhen 2007 1 specimen
see common names

Geography
Country:United States State/province:Maryland County:Calvert
Coordinates: 38.5° North, 76.5° West (view map)
Paleocoordinates:38.7° North, 73.2° West
Basis of coordinate:estimated from map
Time
Period:Neogene Epoch:Miocene
Stage:Langhian 10 m.y. bin:Cenozoic 5
Key time interval:Langhian
Age range of interval:15.98000 - 13.82000 m.y. ago
Stratigraphy
Geological group:Chesapeake Formation:Calvert Member:Plum Point
Regional section:Shattuck Regional bed:13
Regional order:bottom to top
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:blue sandy claystone
Includes fossils?Y
Lithology description: bluish sandy clay
Environment:estuary/bay
Geology comments: sparse molluscs, low in diversity; subtropical environment in embayment and dry onshore; area not far from shore, bay, short-term eustatic transgression events, long-term regression trend
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Preservation of anatomical detail:good
Articulated whole bodies:many
Associated major elements:some
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:USNM
Metadata
Database number:70827
Authorizer:M. Uhen, J. Alroy Enterer:M. Uhen, J. Alroy
Modifier:B. Shipps Research group:marine invertebrate,vertebrate
Created:2007-04-09 14:02:15 Last modified:2017-02-26 14:56:46
Access level:the public Released:2007-04-09 14:02:15
Creative Commons license:CC BY
Reference information

Primary reference:
23697. G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen]

Secondary references:

13045 A. R. Barwick. 1940. Skull of fossil cetotherean whale, Siphonocetus priscus, from the Miocene of the Cheapeake Bay Region. American Midland Naturalist 23(3):746-750 [M. Uhen/M. Uhen/M. Uhen]
34382 C. T. Berry and W. G. Lynn. 1936. A new turtle, Peritresius virginianus, from the Miocene of Virginia. Proceedings of the American Philosophical Society 76(2):175-190 [J. Alroy/J. Alroy]
15352 R. Kellogg. 1965. The Miocene Calvert sperm whale Orycterocetus. Bullten of the United States National Museum 247(2):47-63 [M. Uhen/M. Uhen]
24251 M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen]
16985 L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy]
32709 L. W. Ward and G. W. Andrews. 2008. Stratigraphy of the Calvert, Choptank, and St. Marys Formations (Miocene) in the Chesapeake Bay Area, Maryland and Virginia. Virginia Museum of Natural History Memoir 1-169 [M. Uhen/M. Uhen]