Taxonomy clear
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Cyclagelosphaera lacunaLate Bajocian - Late Tithonian
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Cyclagelosphaera jiangiiEarly Berriasian - Late Hauterivian
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Cyclagelosphaera argoensisEarly Tithonian - Late Hauterivian
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Diazomatolithus lehmaniiLate Bajocian
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Diazomatolithus covingtoniiTithonian
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Diazomatolithus bowniiLate Kimmeridgian - Early Tithonian
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Bibreviconus atlanticusEarly Tithonian
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Grunia subbeticaLate Tithonian - Late Aptian
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Grunia germanicaLate Tithonian - Late Aptian
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Grunia galicianaEarly Tithonian - Early Valanginian
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Crucicribrum disbrachiumEarly Cenomanian
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Crucicribrum cuniculatumLate Albian
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Crucicribrum anglicumMiddle Albian - Late Albian
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Crucibiscutum gracileLate Barremian - Late Aptian
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Crucibiscutum pinnatusHauterivian
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Crucibiscutum ryazanicumEarly Berriasian - Late Aptian
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Crucibiscutum salebrosum
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Crucibiscutum cf.hayiLate Albian
