Taxonomy clear
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Sphenolithus moriformisSelandian - Ypresian
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Sphenolithus editusYpresian
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Sphenolithus conspicuusYpresian
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Sphenolithus belemnosBurdigalian
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Sphenolithus heteromorphusBurdigalian - Serravalian
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Rhabdosphaera herculesiiYpresian - Lutetian
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Arkhangelskiella clivosaEarly Turonian - Early Maastrichtian
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Rhabdosphaera rectusLatdorfian - Chattian
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Rhabdosphaera siccusBurdigalian - Zanclean
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Rhabdosphaera inflataLutetian
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Rhabdosphaera sp.Burdigalian - Recent
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Rhabdosphaera vitreaYpresian - Rupelian
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Rhabdosphaera proceraBurdigalian - Zanclean
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Rhabdosphaera clavigeraBurdigalian - Recent
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Blackites perlongusYpresian - Lutetian
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Rhabdosphaera pinguisYpresian - Lutetian
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Blackites morionumYpresian - Lutetian
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Blackites truncatusYpresian
