Taxonomy clear
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Cruciplacolithus klausiiLutetian - Chattian
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Cruciplacolithus kanungoiSerravalian - Tortonian
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Cruciplacolithus cruciformisLutetian - Bartonian
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Coronosphaera goniodisTortonian
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Coronosphaera mediterraneaAquitanian - Meghalayan
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Coronocyclus prionionLutetian - Serravalian
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Coronocyclus latusBurdigalian - Langhian
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Coronocyclus baileyiLutetian - Tortonian
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Coccolithus pelagicusDanian - Meghalayan
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Coccolithus crassusThanetian - Piacenzian
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Coccolithus miopelagicusAquitanian - Tortonian
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Coccolithus streckeriAquitanian - Tarantian
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Hughesius synchysiSerravalian
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Clausicoccus fenestratusYpresian - Burdigalian
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Hughesius singularisYpresian - Aquitanian
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Chiphragmalithus cristatusLutetian
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Chiasmolithus eograndisYpresian
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Helicosphaeroides africanusChattian
