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Yellow Sandshell (Lampsilis teres)

The Yellow Sandshell (Lampsilis teres) has elongate yellow valves that are sometimes marked with green lines (rays). It lives in river channels with clean sandy bottoms and also in muddy sloughs where there is little current. The white inner shell (nacre) of this mussel has excellent luster and texture and is free of discoloration. In the early 1900s, button-shell buyers paid more per ton for yellow sandshells than for any other species in the Illinois River. (Conservation Status: Currently Stable)
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