Taxonomy clear
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Chiasmolithus altusPriabonian - Chattian
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Diploteichus praesigmoidesEarly Turonian - Early Maastrichtian
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Derivanturportantes sigmoidesDanian - Ypresian
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Derivanturportantes krimmenostavroDanian - Thanetian
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Sullivania sp. brokenSelandian
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Chiasmolithus bidensSelandian - Ypresian
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Sullivania nitidaSelandian - Latdorfian
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Sullivania consuetaSelandian - Priabonian
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Sullivania insolitaLutetian - Priabonian
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Sullivania edwardsiiDanian - Thanetian
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Sullivania gigasLutetian
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Sullivania titaSelandian - Latdorfian
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Sullivania cf.californicaSelandian - Ypresian
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Sullivania californicaSelandian - Ypresian
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Helicosphaera dyotrypesSerravalian - Meghalayan
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Helicosphaera kilidaChibanian
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Helicosphaera pterigaChibanian
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Helicosphaera carteri treisporoiTortonian - Meghalayan
