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Dorsal close-up view, dry specimen
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dorsal
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ventral
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Sterechinus neumayeri (Meissner, 1900) USNM 31736 oral view Scale : 5cm
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Ventral view, dry specimen
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Dorsal view, dry specimen. Top spines removed to reveal dorsal surface.
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Sterechinus neumayeri (Meissner, 1900) USNM 31736 aboral view Scale : 5cm
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Spinal close-up view, dry specimen
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Dorsal view, dry specimen
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Lateral view, dry specimen
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ventral
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dorsal
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box
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Arbacia punctulata (Lamarck) (USNM E28292) aboral view Scale: 5 cm
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Arbacia punctulata (Lamarck) (USNM E28292) oral view Scale: 5 cm
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Dorsal view, dry specimen
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Spinal close-up view, dry specimen
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Dorsal view, dry specimen
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Dorsal close-up view, dry specimen
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Ventral view, dry specimen
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Lateral view, dry specimen
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USNM 1449791 - Specimen Image 2
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USNM 1449791 - Specimen Image 1
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USNM 1449791 - Specimen Image 4