Taxonomy clear
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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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Orthorhabdus serratusSerravalian - Aquitanian
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Triamutilaferrum martiniiSerravalian - Aquitanian
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Nicklithus amplificusMessinian
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Minylitha cancellataTortonian
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Minylitha convallisTortonian
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Lithostromation operosumTortonian - Lutetian
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Lithostromation biconvexitasMiddle Miocene
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Lithostromation perdurumCalabrian - Lutetian
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Ilselithina fusaAquitanian - Chattian
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Helicosphaeroides girgisiiTortonian - Serravalian
