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

PLATE 5.
[Mollusks common in the Calvert Formation. Figures 1, 3, 4, and 9 are from Plum Point, on the Chesapeake Bay, Calvert County, Md. (Stop 9). Figures 2, 5, 6, and 8 are from Camp Roosevelt, on the Chesapeake Bay, Calvert County, Md. (Stop 8). Figure 7 is from Mrs. Anderson's Cottages, near Plum Point, on the Chesapeake Bay, Calvert County, Md.]



FIGURE 1.   Pecten humphreysii Conrad, 1842.
      Right valve of specimen (USNM 380693); length 52.2 mm, height 47.6 mm.
  2.   Bicorbula idonea (Conrad, 1833).
      Right valve of specimen (USNM 380694); length 28.0 mm, height 24.9 mm.
  3.   Pecten humphreysii Conrad, 1842.
      Left valve of specimen (USNM 380695); length 48.4 mm, height 35.5 mm.
  4.   Lirophora latilirata (Conrad, 1841).
      Right valve of specimen (USNM 380696); length 19.9 mm, height 15.6 mm.
  5.   Melosia staminea (Conrad, 1839).
      Right valve of specimen (USNM 380697); length 30.0 mm, height 28.0 mm.
  6.   Astarte cuneiformis Conrad, 1840.
      Left valve of specimen (USNM 380698); length 35.6 mm, height 25.0 mm.
  7.   Mercenaria sp.
      Right valve of specimen (USNM 380699); length 92.5 mm, height 91.4 mm.
  8.   Marvacrassatella melinus (Conrad, 1832).
      Left valve of specimen (USNM 280700); length 80.9 mm, height 51.8 mm.
  9.   Ecphora tricostata pamlico Wilson, 1987.
      Apertural view of specimen (USNM 280701); height 73.6 mm.


U.S. Department of the Interior, U.S. Geological Survey
URL: https:// pubsdata.usgs.gov /pubs/circ/2004/1264/html/trip9/plate5.html
For more information, contact Lauck Ward.
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