Taxonomy clear
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Obturolithus scissurusZanclean - Lutetian
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Obturolithus antarcticusPiacenzian - Lutetian
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Obturolithus burnsiiRupelian - Priabonian
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Obturolithus productellusChibanian - Ypresian
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Pyrocyclus orangensisBurdigalian - Chattian
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Pyrocyclus spiralisTortonian - Langhian
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Bicolumnus scrippsaeChattian - Lutetian
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Pyrocyclus hermosusTortonian - Ypresian
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Cribrocentrum ornatumLatdorfian - Lutetian
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Cribrocentrum retiformisLatdorfian - Lutetian
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Reticulofenestra danicaPiacenzian - Lutetian
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Reticulofenestra dictyodaRecent - Ypresian
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Reticulofenestra simillimusRecent - Ypresian
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Toweius foraminisYpresian
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Clausicoccus ongiiBartonian - Thanetian
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Calcidiscus leptoporusRecent - Aquitanian
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Calcidiscus macintyreiCalabrian - Serravalian
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Reticulofenestra pseudoumbilicusZanclean - Serravalian
