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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… 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,… Coccolithophorids , coccolithophorids (phylum Prymnesiophyta) A group of unicellular, marine, planktonic algae which are, at least at some stage in their life cycle, cov… 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… Visean , Visean
1. An epoch in the Mississippian, comprising the Chadian, Arundian, Holkerian, Asbian, and Brigantian Ages (these are also stage names in west… 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…
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