Crétacé
Albien
Vraconnien
Cénomanien
Turonien
ammonites
foraminifères
zones
zonation
Téthys
[SDU.STU.GC] Sciences of the Universe/Earth Sciences/Geochemistry
[SDE.MCG.CPE] Environmental Sciences/Global Changes/domain_sde.mcg.cpe
[SDU.STU.ST] Sciences of the Universe/Earth Sciences/Stratigraphy