Taxonomy clear
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Sphenolithus bouketoThanetian
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Sphenolithus ankathiasThanetian
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Sphenolithus atlanticusLutetian
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Sphenolithus trigonikosThanetian
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Sphenolithus asperThanetian
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Sphenolithus chamilosThanetian
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Sphenolithus orthogonioThanetian
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Sphenolithus emelineaeThanetian
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Sphenolithus didymikoryfiThanetian
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Sphenolithus pseudopuniceusLanghian - Chattian
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Sphenolithus arthuriiYpresian
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Homozygosphaera ponticuliferaRecent - Zanclean
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Furcatolithus expansusChattian
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Furcatolithus patifunditusChattian
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Sphenolithus preasiiLanghian - Burdigalian
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Triamutilaferrum martiniiSerravalian - Aquitanian
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Orthorhabdus serratusSerravalian - Aquitanian
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Nicklithus amplificusMessinian
