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Bivalve Plate
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Bivalve Plate
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Bivalve Plate
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Bivalve Plate
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Bivalve Plate
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Shell used as money
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Shell used as money
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Bivalve Plate
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Bivalve Plate
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Bivalve Plate
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Spondylus americanus Hermann, 1781 (USNM 804280) inner view Scale: 10 cm
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Exterior View of opposing valve
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Exterior View of appended valves, displaying unnatural area near umbo (white), for example, animal was mechanically removed from its habitat
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Interior View of valve
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Spondylus americanus Hermann, 1781 (USNM 856860) right valve view Scale: 5 cm
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Interior View of opposing valve
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Exterior View of valve
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Spondylus americanus Hermann, 1781 (USNM 804280) outer view Scale: 10 cm
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Spondylus americanus Hermann, 1781 (USNM 856860) left valve view Scale: 5 cm
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Spondylus americanus Hermann, 1781 (USNM 856860) ventral view Scale: 5 cm