Taxonomy clear
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Heliolithus knoxiiThanetian
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Heliolithus bukryiThanetian
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Heliolithus amfivolosSelandian - Thanetian
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Heliolithus aktasiiThanetian
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Lithoptychius vertebratoidesSelandian - Thanetian
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Tectulithus stegastosDanian - Selandian
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Lithoptychius uliiSelandian - Thanetian
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Lithoptychius billiiSelandian
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Tectulithus pileatusSelandian
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Lithoptychius chowiiDanian
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Denisea subpertusaDanian - Ypresian
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Denisea orbisDanian - Thanetian
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Denisea magnaDanian - Thanetian
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Denisea foramenaSelandian - Thanetian
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Denisea aliquantaDanian - Ypresian
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Denisea constrictaSelandian - Thanetian
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Denisea salleyiSelandian - Thanetian
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Denisea atalikiiSelandian - Thanetian
