Taxonomy clear
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Cribrosphaerella ehrenbergiiEarly Albian - Late Maastrichtian
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Cribrosphaerella lineaEarly Turonian - Late Maastrichtian
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Cribrosphaerella numerosaLate Maastrichtian
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Cribrosphaerella dysmorphiaLate Campanian - Late Maastrichtian
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Cribrosphaerella circulaEarly Turonian - Late Maastrichtian
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Palaeopontosphaera constansEarly Bathonian - Late Maastrichtian
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Rotelapillus crenulatusLate Tithonian - Late Maastrichtian
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Discoaster pansusLanghian - Piacenzian
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Acaenolithus undatusMiddle Albian
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Discoaster icarusLate Miocene
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Lithraphidites grossopectinatusLate Maastrichtian
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Cribrocorona echinusEarly Maastrichtian
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Cribrocorona gallicaLate Maastrichtian
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Helenea incomptaLate Toarcian - Middle Oxfordian
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Falklandolithus inaequalisEarly Hauterivian - Late Barremian
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Retecapsa tetralateralisEarly Cenomanian - Early Maastrichtian
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Retecapsa pentalateralisEarly Turonian - Late Campanian
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Retecapsa sinuosaLate Cenomanian - Late Maastrichtian
