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Dorsal portrait view, dry specimen
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Rhynchocidaris triplopora Mortensen (USNM E22278) lateral view, detail Scale : 2 mm
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Dorsal view, dry specimen
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Lateral view, dry specimen
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Rhynchocidaris triplopora Mortensen (USNM E22278) mouth Scale : 5 mm
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Rhynchocidaris triplopora Mortensen (USNM E22278) oral view Scale : 2 cm
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Ventral view, dry specimen
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Rhynchocidaris triplopora Mortensen (USNM E22278) lateral view Scale : 3 cm
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Dorsal close-up view, dry specimen
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Rhynchocidaris triplopora Mortensen (USNM E22278) aboral view Scale : 3 cm
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Ventral view, dry specimen
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Lateral 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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Spinal close-up view, dry specimen
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Dorsal view, dry specimen
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Ventral view, dry specimen
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Lateral view, dry specimen
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Lateral view, dry specimen
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Ventral view, dry specimen
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Dorsal view, dry specimen
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Notocidaris mortenseni (Koehler 1938) USNM 21875 lateral view Scale : 4cm
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Dorsal close-up view, dry specimen
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Notocidaris mortenseni (Koehler 1938) USNM 21875 aboral view Scale : 4cm