Taxonomy clear
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Sphenolithus heteromorphusSerravalian - Burdigalian
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Rhabdosphaera herculesiiLutetian - Ypresian
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Rhabdosphaera inflataLutetian
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Rhabdosphaera vitreaRupelian - Ypresian
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Rhabdosphaera clavigeraRecent - Burdigalian
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Rhabdosphaera pinguisLutetian - Ypresian
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Blackites morionumLutetian - Ypresian
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Blackites incompertusRupelian - Ypresian
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Blackites globosusLutetian
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Blackites gladiusLutetian
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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 bijugatusChattian - Thanetian
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Triquetrorhabdulus milowiiSerravalian - Burdigalian
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Triquetrorhabdulus challengeriAquitanian - Chattian
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Emiliania antiquaZanclean
