Taxonomy clear
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Sullivania insolitaPriabonian - Lutetian
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Sullivania edwardsiiThanetian - Danian
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Sullivania gigasLutetian
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Sullivania titusLatdorfian - Selandian
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Sullivania cf.californica [12-15µm]Ypresian - Selandian
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Sullivania californicaYpresian - Selandian
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Helicosphaera dyotrypesRecent - Serravalian
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Helicosphaera kilidaChibanian
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Helicosphaera pterigaChibanian
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Helicosphaera carteri treisporoiRecent - Tortonian
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Helicosphaera carteri rotundusRecent - Burdigalian
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Helicosphaera kamptneriRecent - Burdigalian
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Helicosphaera epimikeisporousRecent - Serravalian
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Pontosphaera lepidaTarantian - Zanclean
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Discolithina jonesiiTarantian - Zanclean
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Pontosphaera alabamaensisDanian
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Umbellosphaera tenuisRecent - Zanclean
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Tintinnabuliformis bicornusZanclean - Serravalian
