Taxonomy clear
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Sphenolithus richteriLutetian - Bartonian
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Sphenolithus anarrhopusThanetian - Ypresian
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Sphenolithus pseudoradiansPriabonian - Rupelian
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Sphenolithus truaxiiLatdorfian - Burdigalian
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Sphenolithus runusLutetian - Bartonian
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Sphenolithus quadrispinatusTortonian
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Sphenolithus procerusRupelian - Burdigalian
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Sphenolithus multispinatusChattian - Burdigalian
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Sphenolithus cometaAquitanian - Burdigalian
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Sphenolithus capricornutusChattian - Aquitanian
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Sphenolithus tintinnabulumAquitanian - Burdigalian
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Sphenolithus puniceusLatdorfian - Langhian
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Sphenolithus primusDanian - Ypresian
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Sphenolithus porrectusAquitanian
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Sphenolithus paleograndisChattian
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Sphenolithus philippinensisRupelian - Burdigalian
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Sphenolithus bordiiThanetian
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Sphenolithus neospinigerAquitanian - Burdigalian
