 23485A Marine centric diatom frustule (Triceratium dubium)
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 23485B Marine centric diatom frustule (Triceratium dubium)
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 23485C Marine centric diatom frustule (Triceratium dubium)
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 23485D Marine centric diatom frustule (Triceratium dubium)
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 23487A Marine diatom (Triceratium formosum)
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 23487B Marine diatom (Triceratium formosum)
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 23487D Marine diatom (Triceratium formosum)
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 23491A Marine centric diatom frustule (Triceratium dubium)
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 23491B Marine centric diatom frustule (Triceratium dubium)
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 23491C Marine centric diatom frustule (Triceratium dubium)
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 23491D Marine centric diatom frustule (Triceratium dubium)
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 23493A Marine centric diatom frustule (Triceratium dubium)
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