the aalenian
41Permian — For the language family, see Permic languages. For the high school, see Permian High School. For the geological basins, see Permian Basin. Permian Period 299–251 million years ago …
42Younger Dryas — Three temperature records, the GRIP sequence (red) showing the Younger Dryas event at around 11.0 ka BP. The vertical axis shows δ18O, which is a temperature proxy showing the water molecule isotopic composition of 18O in an ice core …
43Mississippian — For other uses, see Mississippian (disambiguation). Not to be confused with the Mississippian period describing the dominance of the Mississippian culture. System Subsystem/ Series Stage Age (Ma) Permian Cisuralian Asselian …
44Miocene — System Series Stage Age (Ma) Quaternary Pleistocene Gelasian younger Neogene Pliocene …
45Neogene — Period 23.03–2.588 million years ago …
46Neoproterozoic — era 1000   542 million years ago Key events in the Neoproterozoic view • edit …
47Oligocene — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene …
48Pennsylvanian — This article is about the geologic subperiod. For passenger train, see Pennsylvanian (Amtrak). System Subsystem/ Series Stage Age (Ma) Permian Cisuralian Asselian younger …
49Paleozoic — era 542   251 million years ago Key events in the Paleozoic view • edit …
50Precambrian — For the album by German band The Ocean, see Precambrian (album). Precambrian Period 4567.17–542 million years ago …
