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Photograph of glass slide; USNM 1159132 RH 1983-1 spikes-2.tif
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Photograph of glass slide; USNM 1159196 RH 2505-1 overview-2.tif
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Photograph of glass slide; USNM 1159228 RH 2528-1 overview-1.tif
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Photograph of glass slide; USNM 1159129 RH 1975-1 mouth tube-2.tif
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Photograph of glass slide; USNM 1159223 RH 2525-2 overview-5.tif
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Photograph of glass slide; USNM 1159132 RH 1983-1 flosculi-1.tif
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Photograph of glass slide; USNM 1159129 RH 1975-1 overview-2.tif
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Photograph of glass slide; USNM 1159196 RH 2505-1 scalids-1.tif
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Photograph of glass slide; USNM 1159228 RH 2528-1 overview-6.tif
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Photograph of glass slide; USNM 1159129 RH 1975-1 mouth tube-1.tif
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Photograph of glass slide; USNM 1159129 RH 1975-1 overview-4.tif
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Photograph of glass slide; USNM 1159132 RH 1983-1 overview-1.tif
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Photograph of glass slide; USNM 1159155 RH 2476-1 Vplate-1.tif
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Photograph of glass slide; USNM 1159129 RH 1975-1 spikes-1.tif
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Photograph of glass slide; USNM 1159129 RH 1975-1 mouth tube-4.tif
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Photograph of glass slide; USNM 1159223 RH 2525-2 overview-2.tif
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Photograph of glass slide; USNM 1159155 RH 2476-1 spikes-3.tif
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Photograph of glass slide; USNM 1159223 RH 2525-2 overview-3.tif
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Photograph of glass slide; USNM 1159129 RH 1975-1 spikes-2.tif
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Photograph of glass slide; USNM 1159155 RH 2476-1 flosculi-1.tif
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Photograph of glass slide; USNM 1159228 RH 2528-1 overview-8.tif
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Photograph of glass slide; USNM 1159228 RH 2528-1 overview-7.tif
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Photograph of glass slide; USNM 1159223 RH 2525-2 tricho-1.tif
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photograph USNM 1159196 overview one