U.S. Geological Survey: Science for a Changing World - USGS visual identifier and link to main Web site at http://www.usgs.gov/

Mollusks common in the Potapaco Member of the Nanjemoy Formation. For a more detailed explanation, contact Lauck Ward at lwward@vmnh.net.

PLATE 3.
[Mollusks common in the Potapaco Member of the Nanjemoy Formation. Figures 1, 3, and 5 from the Pamunkey River, 0.8 mi (1.3 km) below Hanovertown, Hanover County, Va. (USGS Locality 26377). Figures 2, 4, and 6 from the Pamunkey River, 0.45 mi (0.72 km) above the mouth of Millpond Creek on the right bank, Hanover County, Va. (USGS Locality 26424). Figures 7–9, 11, and 12 from the Potomac River, 2.3 mi (3.9 km) above Popes Creek, Charles County, Md. (USGS Locality 26425). Figure 10 from the Rappahannock River, opposite Goat Island, Caroline County, Va. (USGS Locality 26360)]


FIGURE 1. Cubitostrea sp.
  Left valve of specimen (USNM 366488); length 48.5 mm, height 51.6 mm.
  2. Cubitostrea sp.
  Left valve of specimen (USNM 366489); length 35.7 mm, height 50.4 mm.
  3. Cubitostrea sp.
  Left valve of specimen (USNM 366490); length 37.7 mm, height 58.5 mm.
  4. Cubitostrea sp.
  Left valve of specimen (USNM 366491); length 18.7 mm, height 27.6 mm.
  5. Cubitostrea sp.
  Right valve of specimen (USNM 366492); length 47.9 mm, height 56.2 mm.
  6. Cubitostrea sp.
  Right valve of specimen (USNM 366493); length 18.8 mm, height 21.4 mm.
  7. Venericardia potapacoensis Clark and Martin, 1901.
  Left valve of specimen (USNM 366494); length 29.0 mm, height 24.1 mm.
  8. Nuculana parva (Rogers, 1837).
  Right valve of specimen (USNM 366495); length 4.62 mm, height 2.85 mm.
  9. Vokesula sp.
  Right valve of specimen (USNM 366496); length 4.48 mm, height 4.20 mm.
  10. Lucina sp.
  Right valve of specimen (USNM 366497); length 5.14 mm, height 4.66 mm.
  11. Vokesula sp.
  Right valve of specimen (USNM 366498); length 4.29 mm, height 3.65 mm.
  12. Cadulus sp.
  Lateral view of incomplete specimen (USNM 366499); length 3.45 mm.



U.S. Department of the Interior, U.S. Geological Survey
URL: https:// pubsdata.usgs.gov /pubs/circ/2004/1264/html/trip9/plate3.html
For more information, contact Lauck Ward.
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