Where: St Marys County, Maryland (38.3° N, 76.4° W)
• Paleocoordinates: 39.3° N, 72.8° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Little Cove Point Member (St Marys Formation), Late/Upper Miocene (11.6 - 5.3 Ma)
• Unit A in Ward 1992 (Fig. 26), ~0.5 m of sand. Collection from Little Cove Point of St Marys Fm, at the base of the section, and underlies unit B of the Little Cove Point Mbr, St Marys Fm.
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, fine-grained, shelly/skeletal, gray, green, silty sandstone
Size class: macrofossils
Reposited in the USNM
• Most material appears to be reposited in USNM and USGS collections
Primary reference: 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]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 59305: authorized by Austin Hendy, entered by Austin Hendy on 25.03.2006, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Tubothalamea | |
Foraminifera | |
| |
Gastropoda | |
"Turritella plebeia" = Mariacolpus plebeia
| |
Nassarius (Tritiaria) peralta Conrad 1868 snail | |
"Terebra simplex" = Laevihastula simplex
"Terebra simplex" = Laevihastula simplex Conrad 1830 auger snail | |
Bivalvia | |
Marvacrassatella sp. Ward and Blackwelder 1987 clam | |
| |
Mactrodesma subponderosa d'Orbigny 1852 clam | |
Dosinia acetabulum, Mercenaria cuneata, "Clementia inoceriformis" = Clementia (Clementia) inoceriformis
Mercenaria cuneata Conrad 1869 quahog
"Clementia inoceriformis" = Clementia (Clementia) inoceriformis Wagner 1839 venus clam | |
Panopea goldfussii Wagner 1839 clam | |
Lucinoma contracta Say 1824 clam
Stewartia anodonta Say 1824 clam | |
Chesapecten covepointensis Ward 1992 scallop | |
Dallarca idonea Conrad 1832 clam |