Taxonomy clear
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Crepidolithus perforatusEarly Callovian - Early Kimmeridgian
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Crepidolithus parvulusKimmeridgian - Tithonian
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Corollithion madagaskarensisEarly Santonian - Late Maastrichtian
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Corollithion praesignumLate Aptian - Middle Albian
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Corollithion signumLate Albian - Late Maastrichtian
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Corollithion kennedyiEarly Cenomanian - Late Cenomanian
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Corollithion karegaeEarly Campanian - Middle Campanian
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Corollithion exiguumEarly Turonian - Late Maastrichtian
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Corollithion completumLate Campanian - Late Maastrichtian
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Conusphaera rothii minorEarly Tithonian - Late Tithonian
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Conusphaera rothii rothiiEarly Tithonian - Early Aptian
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Conusphaera mexicana minorEarly Tithonian - Late Tithonian
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Conusphaera mexicana mexicanaEarly Tithonian - Early Aptian
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Conusphaera maledictoEarly Tithonian - Late Tithonian
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Cleistorhabdus williamsiiLate Aptian - Early Cenomanian
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Chiastozygus sp. 5Late Aptian
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Chiastozygus sp. 4Late Maastrichtian
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Chiastozygus sp. 3Late Maastrichtian
