Taxonomy clear
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Discoaster misofengaroThanetian
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Discoaster akinolguniiThanetian
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Isespetrinesaspides foteinokentroThanetian
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Watznaueria paenepelagicaEarly Berriasian - Late Maastrichtian
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Cyclagelosphaera riyadhensisEarly Valanginian - Late Hauterivian
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Watznaueria fossacinctaEarly Bajocian - Late Maastrichtian
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Watznaueria angustoralisLate Tithonian - Early Turonian
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Cruciplacolithus tenuisDanian - Thanetian
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Mikriexoterikiaspida fionajacovidesiaeThanetian
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Ellipsagelosphaera britannicaMiddle Aalenian - Early Cenomanian
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Ellipsagelosphaera clausaLate Bathonian - Early Hauterivian
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Cyclagelosphaera paucisegmentaLate Tithonian - Late Berriasian
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Cyclagelosphaera centrumellipticaLate Kimmeridgian - Early Valanginian
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Cyclagelosphaera deflandreiLate Callovian - Early Valanginian
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Cyclagelosphaera paez-rayesiiDanian - Selandian
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Cyclagelosphaera casarubrensisEarly Albian - Early Maastrichtian
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Cyclagelosphaera brezaeLate Tithonian - Early Hauterivian
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Trachylithos nuryaziciaeSelandian - Thanetian
