Where: Calvert County, Maryland (38.5° N, 76.5° W: paleocoordinates 38.7° N, 73.7° W)
• coordinate estimated from map
When: Drumcliff Member (Choptank Formation), Serravallian (13.8 - 11.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: shoreface; yellow sandstone
Size class: macrofossils
Preservation: original phosphate
Reposited in the USNM
Collection methods: surface (in situ),
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 70830: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Turritella plebeia" = Mariacolpus plebeia
| |
Ecphora quadricostata Conrad 1830 murex snail | |
Bivalvia | |
"Arca staminea" = Dallarca staminea Say 1832 clam | |
"Chesapecten nefrens" = Chesapecten (Chesapecten) nefrens2, "Pecten madisonius" = Chesapecten madisonius, "Pecten coccymelus" = Chesapecten coccymelus
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop
"Pecten coccymelus" = Chesapecten coccymelus Dall 1898 scallop | |
"Melina maxillata" = Isognomon maxillata Lamarck 1819 oyster | |
| |
"Corbula cuneata" = Caryocorbula cuneata, "Corbula idonea" = Bicorbula idonea, "Bicorbula idonea" = Bicorbula idonea2
"Corbula cuneata" = Caryocorbula cuneata Say 1824 clam
"Corbula idonea" = Bicorbula idonea Conrad 1833 clam | |
"Isocardia fraterna" = Glossus fraterna Say 1824 clam | |
Macrocallista marylandica, Dosinia acetabulum, Mercenaria cuneata2, "Venus campechiensis" = Mercenaria campechiensis, "Venus mercenaria" = Mercenaria mercenaria
Macrocallista marylandica Conrad 1833 venus clam
"Venus mercenaria" = Mercenaria mercenaria Linnaeus 1758 quahog | |
"Cardium laqueatum" = Chesacardium laqueatum Conrad 1830 cockle | |
"Metis biplicata" = Florimetis biplicata
"Metis biplicata" = Florimetis biplicata Conrad 1834 tellin clam | |
Panopea americana Conrad 1838 clam | |
Astarte thisphila Glenn 1904 clam | |
"Crassatellites turgidulus" = Marvacrassatella turgidula, "Marvacrassatella turgidula" = Marvacrassatella turgidula2
"Crassatellites turgidulus" = Marvacrassatella turgidula Conrad 1843 clam | |
Echinoidea | |
| |
Mammalia | |
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