Taxonomy clear
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Sphenolithus pseudoheteromorphusBurdigalian - Chattian
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Sphenolithus microdelphixChattian
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Sphenolithus delphixChattian
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Sphenolithus calyculusAquitanian - Chattian
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Sphenolithus stellatusLutetian
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Sphenolithus perpendicularisLutetian
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Symmetrikiexafanisi cubaensisBartonian - Lutetian
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Sphenolithus strigosusBartonian - Lutetian
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Symmetrikiexafanisi furcatolithoidesBartonian - Lutetian
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Furcatolithus umbrellusAquitanian - Chattian
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Sphenolithus villaeYpresian
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Sphenolithus richteriBartonian - Lutetian
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Sphenolithus anarrhopusYpresian - Thanetian
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Sphenolithus pseudoradiansRupelian - Priabonian
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Sphenolithus truaxiiBurdigalian - Latdorfian
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Sphenolithus runusBartonian - Lutetian
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Sphenolithus quadrispinatusTortonian
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Sphenolithus procerusBurdigalian - Rupelian
