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ID help for scallops and clams?
12-04-2011, 06:41 AM,
#2
Re: ID help for scallops and clams?
1.  Could be Clinocardium ciliatum (family Cardiidae) from the northern Atlantic and northern Pacific coasts of North America, but there are similar species from other parts of the world.  The problem here is that the angles at which you photographed the shell don't provide a clear view of the shell outline - whether it is nearly round or more oval in outline, whether one end is more rounded than the other - which are important features for identification.  A bivalve photo for ID should show a straight-on view of the exterior (shooting straight down when the single valve is lying on a flat surface), and if possible a straight-on view of the interior.  Also, the size of any specimen submitted for ID should be mentioned, and if possible the locality where collected.

2. Could be Protothaca asperrima (family Veneridae) from western Central America, but there are ... (continue reading above)

3.  Lyropecten subnodosus, western Central America

4.  Several possibilities here.  If this is larger than 125 mm (5"), it is a lower valve of Pecten caurinus from western North America.  If it is smaller, then there are a few possibilities, including of course a young P. caurinus.

5.  Patelloida saccharina, western Pacific
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Messages In This Thread
ID help for scallops and clams? - by wateryworld - 12-02-2011, 10:55 AM
Re: ID help for scallops and clams? - by paul monfils - 12-04-2011, 06:41 AM
Re: ID help for scallops and clams? - by Emma - 12-09-2011, 09:03 PM

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