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dorsal
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ventral
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Amphiura belgicae Koehler (USNM E52089) dorsal view
Scale : 5 cm
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Amphiura belgicae Koehler (USNM E52089) disc, arm dorsal view
Scale : 5 mm
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Amphiura belgicae Koehler (USNM E52089) disc, arm ventral view
Scale : 3 mm
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Amphiura belgicae Koehler (USNM E52089) ventral view
Scale : 5 cm
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Asteroporpa annulata Lutken, 1856 (USNM E40633) aboral view
Scale: 5 cm
Notes: small specimen attached to disk of larger specimen
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Asteroporpa annulata Lutken, 1856 (USNM E40633) disk view
Scale: 1 cm
Notes: small specimen attached to disk of larger specimen
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Asteroporpa annulata Lutken, 1856 (USNM E40633) mouth view
Scale: 1 cm
Notes: small specimen attached to disk of larger specimen
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Asteroporpa annulata Lutken, 1856 (USNM E40633) oral view
Scale: 5 cm
Notes: small specimen attached to disk of larger specimen
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Asteroporpa annulata Lütken, 1856 (USNM E28559) aboral view
Scale: 6 cm
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Asteroporpa annulata Lütken, 1856 (USNM E28559) closeup view
Scale: 1 cm
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Ventral close-up view, dry specimen
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Ventral view, dry specimen
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Dorsal view, dry specimen
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Tretocidaris bartletti (Agassiz, 1880) (USNM E32266) aboral view
Scale: 4 cm
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Tretocidaris bartletti (Agassiz, 1880) (USNM E32266) oral view
Scale: 4 cm
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Tretocidaris bartletti (Agassiz, 1880) (USNM E32266) spine detail
Scale: 4 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 view, dry specimen
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Ventral view, dry specimen
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Ventral view, dry specimen