Taxonomy clear
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Discoaster surculusGelasian - Tortonian
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Discoaster triradiatusGelasian - Tortonian
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Discoaster surculus pullumpedesZanclean
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Discoaster brouweri blackstockaeGelasian - Tortonian
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Discoaster quintatusZanclean - Tortonian
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Discoaster surculus tesseraZanclean
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Discoaster pentaradiatusGelasian - Tortonian
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Discoaster stellulusGelasian - Tortonian
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Discoaster giganteusZanclean - Tortonian
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Discoaster brouweriGelasian - Tortonian
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Discoaster pentaradiatus quadramusZanclean - Messinian
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Discoaster asymmetricusPiacenzian - Zanclean
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Diantholitha mariposaDanian
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Diantholitha toqueaDanian
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Ceratolithus telesmusRecent - Zanclean
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Ceratolithus simplexChibanian - Zanclean
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Ceratolithus rugosusRecent - Zanclean
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Ceratolithus imiselinosZanclean
