Taxonomy clear
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Cruciplacolithus bornemanniiDanian
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Cruciplacolithus intermediusThanetian - Danian
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Cruciplacolithus frequensThanetian - Danian
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Cruciplacolithus filigranusDanian
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Cruciplacolithus inseadusThanetian - Danian
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Cruciplacolithus asymmetricusDanian
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Cruciplacolithus mikroprimusDanian
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Cruciplacolithus primusThanetian - Danian
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Cruciplacolithus latiponsYpresian - Danian
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Cruciplacolithus subrotundusSelandian - Danian
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Cruciplacolithus oulchyensisLutetian - Ypresian
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Cruciplacolithus tarquiniusLutetian
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Cruciplacolithus nishiiBartonian - Lutetian
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Cruciplacolithus flaviusLate Oligocene - Early Oligocene
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Cruciplacolithus neohelisRecent - Tarantian
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Chiasmolithus oamaruensisRupelian - Bartonian
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Chiasmolithus modestusBartonian - Lutetian
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Chiasmolithus mediusPriabonian - Lutetian
