 Stenocyathus vermiformis (Pourtalès, 1869), calicular view, specimen very elongated, free.
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 Stenocyathus vermiformis (Pourtalès, 1868), calicular view
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 Stenocyathus vermiformis (Pourtalès, 1869), calicular view.
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 Stenocyathus vermiformis (Pourtalès, 1868), lateral view showing characteristic rows of thecal spots
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 Stenocyathus vermiformis (Pourtalès, 1868), lateral view
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 Stenocyathus vermiformis (Pourtalès, 1868), calicular view
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