Jones Wharf, Zone 19: Serravallian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Cetacea
|
|||||||
|
Aglaocetus sp.
Kellogg 1934
|
Uhen 2007 | ||||||
|
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
- Ostreida
- Ostreidae
|
|||||||
|
Ostrea carolinensis
Conrad 1832
|
|||||||
|
Bivalvia
- Arcida
- Arcidae
|
|||||||
|
Dallarca elevata
|
Ward 1992 | ||||||
|
Bivalvia
- Cardiida
- Cardiidae
|
|||||||
|
Cardium laqueatum
Conrad 1830
|
|||||||
| recombined as Chesacardium laqueatum | |||||||
|
Bivalvia
- Cardiida
- Veneridae
|
|||||||
|
Macrocallista marylandica
(Conrad 1833)
|
Ward 1992 | ||||||
|
Bivalvia
- Hiatellida
- Hiatellidae
|
|||||||
|
Panopea americana
(Conrad 1838)
|
|||||||
|
Bivalvia
- Lucinida
- Lucinidae
|
|||||||
|
Phacoides contractus
|
|||||||
|
Bivalvia
- Carditida
- Crassatellidae
|
|||||||
|
Marvacrassatella marylandica
(Conrad 1832)
|
Ward 1992 | ||||||
|
Bivalvia
- Carditida
- Astartidae
|
|||||||
|
Astarte obruta
Conrad 1834
|
Ward 1992 | ||||||
|
Thecostraca
- Balanomorpha
- Balanidae
|
|||||||
|
Balanus concavus
Bronn 1831
|
|||||||
| recombined as Concavus concavus | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Maryland | County: | St. Mary's |
| Coordinates: | 38.4° North, 76.6° West (view map) | ||||
| Paleocoordinates: | 38.6° North, 73.7° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
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: | Choptank | Member: | Boston Cliffs |
| Regional section: | Shattuck | Regional bed: | 19 | ||
| Regional order: | bottom to top |
Lithology and environment
| Primary lithology: | green claystone |
| Includes fossils? | Y |
| Lithology description: greenish clay | |
| Environment: | offshore |
| Geology comments: Open shelf conditions created channel deposits of clean, medium-size sand, and allowed for abundant growth of molluscan fauna and subsequent cirriped development; very dense shell accumulation, shallow neritic open-shelf | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Drumcliff | ||
| Database number: | 70855 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | B. Shipps | Research group: | marine invertebrate,vertebrate |
| Created: | 2007-04-09 15:33:10 | Last modified: | 2017-02-26 15:05:10 |
| Access level: | the public | Released: | 2007-04-09 15:33:10 |
| 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:
| 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] |