Parker Creek, south, Zone 19: Serravallian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Thecostraca
- Balanomorpha
- Balanidae
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Balanus concavus
Bronn 1831
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recombined as Concavus concavus | ||||||||||
Bivalvia
- Pectinida
- Pectinidae
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Chesapecten nefrens
Ward and Blackwlder 1975
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Ward 1992 | |||||||||
recombined as Chesapecten (Chesapecten) nefrens | ||||||||||
Pecten madisonius
Say 1824
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recombined as Chesapecten madisonius | ||||||||||
Bivalvia
- Arcida
- Arcidae
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Dallarca elevata
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Ward 1992 | |||||||||
Arca staminea
Say 1832
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recombined as Dallarca staminea | ||||||||||
Bivalvia
- Carditida
- Astartidae
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Astarte obruta
Conrad 1834
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Ward 1992 | |||||||||
Astarte thisphila
Glenn 1904
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Bivalvia
- Carditida
- Crassatellidae
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Marvacrassatella marylandica
(Conrad 1832)
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Ward 1992 | |||||||||
Bivalvia
- Cardiida
- Cardiidae
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Cardium laqueatum
Conrad 1830
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recombined as Chesacardium laqueatum | ||||||||||
subspecies laqueatum | ||||||||||
Bivalvia
- Cardiida
- Veneridae
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Dosinia acetabulum
(Conrad 1832)
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subspecies blackwelderi | ||||||||||
Mercenaria cuneata
Conrad 1869
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Ward 1992 | |||||||||
Venus campechiensis
Gmelin 1791
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recombined as Mercenaria campechiensis | ||||||||||
var. cuneata | ||||||||||
Bivalvia
- Pholadida
- Corbulidae
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Corbula idonea
Conrad 1833
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recombined as Bicorbula idonea | ||||||||||
Bivalvia
- Lucinida
- Lucinidae
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Stewartia anodonta
(Say 1824)
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Ward 1992 | |||||||||
Gastropoda
- Neogastropoda
- Muricidae
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Ecphora meganae
Ward and Gilinsky 1988
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Ward 1992 | |||||||||
subspecies williamsi | ||||||||||
Gastropoda
- Turritellidae
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Turritella terebriformis
Conrad 1863
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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] |