Taxonomy clear
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Rhabdosphaera clavigeraBurdigalian - Meghalayan
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Rhabdosphaera pinguisYpresian - Lutetian
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Blackites perlongusYpresian - Lutetian
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Blackites morionumYpresian - Lutetian
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Blackites truncatusYpresian
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Blackites incompertusYpresian - Rupelian
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Blackites tenuisLutetian - Rupelian
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Blackites spinulaLutetian - Rupelian
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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 sparsusDanian - Thanetian
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Biantholithus astralisDanian - Thanetian
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Biantholithus hughesiiDanian
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Discoaster bolliiTortonian
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Discoaster pentabolliiTortonian
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Zygrhablithus sileensisYpresian
