Taxonomy clear
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Sphenolithus microdelphixChattian
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Sphenolithus delphixChattian
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Sphenolithus calyculusChattian - Aquitanian
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Sphenolithus stellatusLutetian
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Sphenolithus perpendicularisLutetian
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Symmetrikiexafanisi cubaensisLutetian - Bartonian
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Symmetrikiexafanisi strigosusLutetian - Bartonian
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Symmetrikiexafanisi furcatolithoidesLutetian - Bartonian
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Furcatolithus umbrellusChattian - Aquitanian
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Sphenolithus villaeYpresian
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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
