Taxonomy clear
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Sphenolithus bordiiThanetian
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Sphenolithus neospinigerAquitanian - Burdigalian
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Sphenolithus neoabiesTortonian - Piacenzian
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Sphenolithus humilisAquitanian - Burdigalian
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Sphenolithus grandisSerravalian - Messinian
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Sphenolithus dissimilisAquitanian - Burdigalian
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Sphenolithus disbelemnosAquitanian - Burdigalian
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Sphenolithus compactusAquitanian - Burdigalian
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Sphenolithus apoxisLutetian - Burdigalian
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Sphenolithus alatusChattian - Serravalian
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Sphenolithus acervusSelandian - Lutetian
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Sphenolithus spinigerYpresian - Bartonian
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Sphenolithus conicusChattian - Aquitanian
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Sphenolithus bipedisLatdorfian - Burdigalian
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Furcatolithus predistentusLatdorfian - Rupelian
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Sphenolithus milanettiBurdigalian - Langhian
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Furcatolithus intercalarisBartonian - Priabonian
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Sphenolithus orphanknollensisYpresian
