Taxonomy clear
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Bomolithus cantabriaeSelandian - Thanetian
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Heliolithus riedeliiThanetian
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Heliolithus nefroeidisThanetian
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Heliolithus iptamenosdiskosThanetian
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Heliolithus margaritaSelandian - Thanetian
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Heliolithus magnificusThanetian
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Heliolithus kolovosThanetian
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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
