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Exterior and interior views of syntype valve. Olympus DSX 100 microscope; composite image; SEM/Imaging Lab NMNH
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Exterior and interior views of syntype valve. Olympus DSX 100 microscope; composite image; SEM/Imaging Lab NMNH
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Exterior and interior views of syntype valve. Olympus DSX 100 microscope; composite image; SEM/Imaging Lab NMNH