ypresian stage
31Pennsylvanian — This article is about the geologic subperiod. For passenger train, see Pennsylvanian (Amtrak). System Subsystem/ Series Stage Age (Ma) Permian Cisuralian Asselian younger …
32Mayfly — For other uses, see Mayfly (disambiguation). Mayfly Temporal range: Late Carboniferous Recent[1] …
33Norian — System Series Stage Age (Ma) Jurassic Lower Hettangian younger Triassic Upper …
34Piacenzian — System Series Stage Age (Ma) Quaternary Pleistocene Gelasian younger Neogene Pliocene …
35Ordovician — Period 488.3–443.7 million years ago …
36Messinian — System Series Stage Age (Ma) Quaternary Pleistocene Gelasian younger Neogene Pliocene …
37Coniacian — System Series Stage Age (Ma) Paleogene Paleocene Danian younger Cretaceous Upper …
38Pliensbachian — System Series Stage Age (Ma) Cretaceous Lower Berriasian younger Jurassic Upper Tith …
39Cambrian — For other uses, see Cambrian (disambiguation). Cambrian Period 542–488.3 million years ago …
40Eoceno — Era[1] Período Época Millones años Cenozoico …
