Identified:
Penitella
penita (Conrad, 1837)
Discussions:
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Might this
be a Teredo navalis (L., 1758 ) the shipworm ... AvrilB -
Wrong again
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This one
is a Piddock. Maybe Penitella penta....Russ W.
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I agree with
Russ that the mystery shell 2009 #2 is Penitella
penita (Conrad, 1837). There is some possibility it might
be a closely related Penita species but the flat tip is the most
significant reason for my identification. See a photo of this species
collected in Washington State at the Pacific
Northwest Shell Club Website. ..Bert B.
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The second mystery
shell is Conrad's Piddock Penitella conradi Valenciennes,
1846
Best regards, ...Henk K. Mienis (Common name: abalone piddock)
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your image
appears to a piddock, most likely P. penitella.... Rick H.
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Folks seem
to think it's a boring clam, Penitella Penita or Common Piddock.
...Kendra
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