Taxonomy clear
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Sphenolithus philippinensisBurdigalian - Rupelian
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Sphenolithus bordiiThanetian
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Sphenolithus neospinigerBurdigalian - Aquitanian
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Sphenolithus neoabiesPiacenzian - Tortonian
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Sphenolithus humilisBurdigalian - Aquitanian
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Sphenolithus grandisMessinian - Serravalian
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Sphenolithus dissimilisBurdigalian - Aquitanian
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Sphenolithus disbelemnosBurdigalian - Aquitanian
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Sphenolithus compactusBurdigalian - Aquitanian
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Sphenolithus apoxisBurdigalian - Lutetian
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Sphenolithus alatusSerravalian - Chattian
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Sphenolithus acervusLutetian - Selandian
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Sphenolithus spinigerBartonian - Ypresian
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Sphenolithus conicusAquitanian - Chattian
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Sphenolithus bipedisBurdigalian - Latdorfian
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Furcatolithus predistentusRupelian - Latdorfian
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Sphenolithus milanettiLanghian - Burdigalian
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Furcatolithus intercalarisPriabonian - Bartonian
