Taxonomy clear
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Watznaueria paenepelagicusLate Maastrichtian - Early Berriasian
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Cyclagelosphaera riyadhensisHauterivian - Valanginian
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Watznaueria fossacinctaMaastrichtian - Aalenian
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Watznaueria angustoralisLate Cenomanian - Late Tithonian
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Cruciplacolithus tenuisDanian
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Mikriexoterikiaspida fionajacovidesiaeThanetian
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Ellipsagelosphaera britannicaEarly Cenomanian - Middle Aalenian
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Ellipsagelosphaera clausaEarly Hauterivian - Late Bathonian
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Cyclagelosphaera paucisegmentaLate Berriasian - Late Tithonian
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Cyclagelosphaera centrumellipticaEarly Valanginian - Late Kimmeridgian
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Cyclagelosphaera deflandreiEarly Valanginian - Late Callovian
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Cyclagelosphaera paez-rayesiiSelandian - Danian
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Cyclagelosphaera casarubrensisEarly Cenomanian - Early Albian
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Cyclagelosphaera brezaeEarly Hauterivian - Late Tithonian
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Trachylithos nuryaziciaeThanetian - Selandian
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Markalius spEarly Eocene
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Mauriceblackia katejacovidesiaeThanetian - Danian
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Coccolithus supremusThanetian
