Taxonomy clear
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Blackites tenuisRupelian - Lutetian
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Blackites spinulaRupelian - Lutetian
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Blackites spinosusLutetian
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Blackites globosusLutetian
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Blackites gladiusLutetian
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Biantholithus flosculusThanetian
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Biantholithus sparsusThanetian - Danian
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Biantholithus astralisThanetian - Danian
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Biantholithus hughesiiDanian
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Discoaster bolliiTortonian
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Discoaster pentabolliiTortonian
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Zygrhablithus sileensisYpresian
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Zygrhablithus bijugatusChattian - Thanetian
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Triquetrorhabdulus milowiiSerravalian - Burdigalian
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Triquetrorhabdulus challengeriAquitanian - Chattian
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Emiliania antiquaZanclean
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Triquetrorhabdulus carinatusBurdigalian - Latdorfian
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Syracosphaera pulchraRecent - Zanclean
