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Aquitanian , Aquitanian
1. The earliest age in the Miocene Epoch, preceded by the Chattian (Oligocene), followed by the Burdigalian, and with a lower boundary set… Eifelian , Eifelian (Couvinian)
1. An age in the Middle Devonian Epoch preceded by the Emsian, followed by the Givetian, and dated at 386.0–380.8Ma (Harland et… Messinian , Messinian
1. The final age in the Miocene Epoch, preceded by the Tortonian, followed by the Zanclian (Tabianian), and with its upper boundary dated a… Burdigalian , Burdigalian
1. An age in the Early Miocene, preceded by the Aquitanian and followed by the Langhian.
2. The name of the corresponding European stage,… Formation , for·ma·tion / fôrˈmāshən/ • n. 1. the action of forming or process of being formed: the formation of the Great Rift Valley. 2. a structure or arrange… Upper , up·per1 / ˈəpər/ • adj. 1. situated above another part: his upper arm the upper atmosphere. ∎ higher in position or status: the upper end of the soci…
NEARBY TERMS
Ediacara