Taxonomy clear
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Cribrocentrum gartneriLutetian - Burdigalian
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Helicosphaera mediterraneaBurdigalian
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Coccolithus cf.miopelagicusChattian - Tortonian
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Crystallolithus hyalinusExtant
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Cyclicargolithus neogammationLutetian - Serravalian
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Cyclicargolithus abisectusRupelian - Aquitanian
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Cyclicargolithus luminisYpresian - Chattian
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Cyclicargolithus floridanusLutetian - Serravalian
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Cryptococcolithus mediaperforatusBurdigalian - Messinian
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Cruciplacolithus lucidumBurdigalian - Langhian
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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
