Jones Wharf, Zone 19 (Miocene of the United States)
Also known as Drumcliff
Where: St. Mary's County, Maryland (38.4° N, 76.6° W: paleocoordinates 38.6° N, 73.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Boston Cliffs Member (Choptank Formation), Serravallian (13.8 - 11.6 Ma)
Environment/lithology: offshore; green claystone
• 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
• greenish clay
Size class: macrofossils
Primary reference: 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]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 70855: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
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| Thecostraca | |
"Balanus concavus" = Concavus concavus
"Balanus concavus" = Concavus concavus Bronn 1831 barnacle | |
| Bivalvia | |
"Chesapecten nefrens" = Chesapecten (Chesapecten) nefrens2, "Pecten madisonius" = Chesapecten madisonius
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop | |
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Ostrea carolinensis Conrad 1832 oyster | |
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Panopea americana Conrad 1838 clam | |
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"Cardium laqueatum" = Chesacardium laqueatum
"Cardium laqueatum" = Chesacardium laqueatum Conrad 1830 cockle | |
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Phacoides contractus clam | |
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