Parker Creek, south, Zone 19: Serravallian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Thecostraca - Balanomorpha - Balanidae
Balanus concavus Bronn 1831
recombined as Concavus concavus
Bivalvia - Pectinida - Pectinidae
Chesapecten nefrens Ward and Blackwlder 1975
Ward 1992
recombined as Chesapecten (Chesapecten) nefrens
Pecten madisonius Say 1824
recombined as Chesapecten madisonius
Bivalvia - Arcida - Arcidae
Dallarca elevata
Ward 1992
Arca staminea Say 1832
recombined as Dallarca staminea
Bivalvia - Carditida - Astartidae
Astarte obruta Conrad 1834
Ward 1992
Astarte thisphila Glenn 1904
Bivalvia - Carditida - Crassatellidae
Marvacrassatella marylandica (Conrad 1832)
Ward 1992
Bivalvia - Cardiida - Cardiidae
Cardium laqueatum Conrad 1830
recombined as Chesacardium laqueatum
subspecies laqueatum
Bivalvia - Cardiida - Veneridae
Dosinia acetabulum (Conrad 1832)
subspecies blackwelderi
Mercenaria cuneata Conrad 1869
Ward 1992
Venus campechiensis Gmelin 1791
recombined as Mercenaria campechiensis
var. cuneata
Bivalvia - Pholadida - Corbulidae
Corbula idonea Conrad 1833
recombined as Bicorbula idonea
Bivalvia - Lucinida - Lucinidae
Stewartia anodonta (Say 1824)
Ward 1992
Gastropoda - Neogastropoda - Muricidae
Ecphora meganae Ward and Gilinsky 1988
Ward 1992
subspecies williamsi
Gastropoda - Turritellidae
Turritella terebriformis Conrad 1863
Ward 1992
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, 73.7° 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 - 11.62000 m.y. ago
Stratigraphy
Geological group:Chesapeake Formation:Choptank Member:Boston Cliffs
Regional section:Shattuck Regional bed:19
Regional order:bottom to top
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:red sandy claystone
Includes fossils?Y
Lithology description: reddish sandy clay
Environment:marine indet.
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:70832
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:marine invertebrate,vertebrate
Created:2007-04-09 14:10:26 Last modified:2007-12-17 17:31:35
Access level:the public Released:2007-04-09 14:10:26
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:

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]