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names in breadcrumbs
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Creatures
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Animal
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Echinoderms
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Sea Urchins
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Heart Urchins
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Creatures
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Cellular Organisms
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Eukaryotes
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Opisthokonts
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Animal
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Bilateria
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Deuterostomes
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Echinoderms
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Echinozoa
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Sea Urchins
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Euechinoidea
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Irregularia
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Atelostomata
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Spatangoida
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Brissidina
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Heart Urchins
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Rhynobrissus
«
Rhynobrissus placopetalus A. Agassiz & H. L. Clark 1907
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Rhynobrissus placopetalus USNM E0000925 - Dorsal
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NMNH Collection
Dorsal
Rhynobrissus placopetalus USNM E0000925 - Ventral
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NMNH Collection
Ventral
Rhynobrissus placopetalus USNM E0000925 - Lateral
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NMNH Collection
Lateral
