Taxonomy clear
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Hattneria levisLate Campanian - Early Maastrichtian
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Hattneria glabraEarly Campanian - Late Campanian
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Hattneria elegansEarly Turonian - Late Campanian
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Hattneria cryptochondrusEarly Turonian - Late Campanian
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Amphizygus minimusMiddle Santonian - Early Maastrichtian
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Amphizygus nanusEarly Coniacian - Late Campanian
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Amphizygus brooksiiEarly Coniacian - Early Maastrichtian
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Amphizygus megalopsAlbian - Santonian
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Lapideacassis tricornusMiddle Albian - Early Maastrichtian
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Lapideacassis variusAptian - Priabonian
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Lapideacassis mariaeEarly Aptian - Early Maastrichtian
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Scampanella asymmetricaLate Albian
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Scampanella bispinosaLate Albian
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Scampanella magnificaLate Aptian
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Scampanella cornutaLate Hauterivian - Late Campanian
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Karoulilithos ayseguliaeDanian - Selandian
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Asinithistimorfi aubryaeSelandian - Thanetian
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Braarudosphaera quinquecostataMiddle Albian - Late Albian
