Paleogen: Perbedaan antara revisi

| lower_gssp_accept_date = 1991<ref name="Molina 2006">{{cite journal|last1=Molina |first1=Eustoquio |last2=Alegret |first2=Laia |last3=Arenillas |first3=Ignacio |author4=José A. Arz |last5=Gallala |first5=Njoud |last6=Hardenbol |first6=Jan |author7=Katharina von Salis |last8=Steurbaut |first8=Etienne |last9=Vandenberghe |first9=Noel |author10=Dalila Zaghibib-Turki |title=The Global Boundary Stratotype Section and Point for the base of the Danian Stage (Paleocene, Paleogene, "Tertiary", Cenozoic) at El Kef, Tunisia - Original definition and revision |journal=Episodes |year=2006 |volume=29 |issue=4 |pages=263–278 |doi=10.18814/epiiugs/2006/v29i4/004 |doi-access=free }}</ref>

| upper_boundary_def =

| upper_gssp_coords = {{Coord|44.6589|N|8.8364|E|display=inline}}

| upper_gssp_accept_date = 1996<ref name="Steininger 1997">{{cite journal|last=Steininger|first=Fritz F. |author2=M. P. Aubry |author3=W. A. Berggren |author4=M. Biolzi |author5=A. M. Borsetti |author6=Julie E. Cartlidge |author7=F. Cati |author8=R. Corfield |author9=R. Gelati |author10=S. Iaccarino |author11=C. Napoleone |author12=F. Ottner |author13=F. Rögl |author14=R. Roetzel |author15=S. Spezzaferri |author16=F. Tateo |author17=G. Villa |author18=D. Zevenboom |title=The Global Stratotype Section and Point (GSSP) for the base of the Neogene|journal=Episodes|year=1997|volume=20|issue=1|pages=23–28|url=http://www.stratigraphy.org/GSSP/file9.pdf|doi=10.18814/epiiugs/1997/v20i1/005 |doi-access=free }}</ref>