Taxonomy clear
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Heliotrochus kleinpelliiThanetian
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Bomolithus universusThanetian - Selandian
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Bomolithus falklandensisThanetian - Selandian
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Bomolithus elegansThanetian
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Bomolithus dydimolofousThanetian
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Bomolithus cantabriaeThanetian - Selandian
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Heliolithus riedeliiThanetian
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Heliolithus nefroeidisThanetian
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Heliolithus iptamenosdiskosThanetian
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Heliolithus margaritaThanetian - Selandian
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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 amfivolosThanetian - Selandian
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Heliolithus aktasiiThanetian
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Lithoptychius vertebratoidesThanetian - Selandian
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Tectulithus stegastosSelandian - Danian
