Taxonomy clear
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Acaenolithus demptaLate Barremian - Late Cenomanian
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Acaenolithus cenomanicusLate Aptian - Middle Cenomanian
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Angulofenestrellithus snyderiEarly Campanian - Late Campanian
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Ahmuellerella octoradiataEarly Cenomanian - Late Maastrichtian
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Ahmuellerella regularisEarly Santonian - Late Maastrichtian
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Tortolithus johannisbergensisEarly Turonian - Late Campanian
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Wisea sanjuanensisEarly Turonian - Late Coniacian
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Percivalia nebulosaMiddle Berriasian - Early Valanginian
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Percivalia hauxtonensisEarly Albian - Late Cenomanian
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Percivalia fenestrataEarly Berriasian - Early Turonian
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Percivalia arataEarly Tithonian - Early Berriasian
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Salomonia tuzuniorumEarly Campanian
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Salomonia elkefensisEarly Maastrichtian - Late Maastrichtian
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Salomonia biperforatusEarly Coniacian - Early Campanian
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Hattneria scutulaLate Valanginian - Early Campanian
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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
