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The term "Eocene" is derived from Ancient Greek Ἠώς (Ēṓs) meaning "Dawn", and καινός kainos meaning "new" or "recent", as the epoch saw the dawn of recent, or modern, life. Scottish geologist Charles Lyell (ignoring the Quaternary) divided the Tertiary Epoch into the Eocene, Miocene, Pliocene, and New Pliocene Periods in 1833.
This is a list of extinction events, both mass and minor: [1] "Big Five" major extinction events (see graphic) ... Eocene–Oligocene extinction event:
The Eocene Epoch, the middle epoch during the Paleogene Period of the Cenozoic Era ... Eocene events (3 C, 3 P) G. Eocene geochronology (4 C, 4 P)
c. 33.9 Ma – End of Eocene, start of Oligocene epoch. c. 35 Ma – Grasslands first appear. Glyptodonts, ground sloths, peccaries, dogs, eagles, and hawks evolve. c. 33 Ma – First thylacinid marsupials evolve. c. 30 Ma – Brontotheres go extinct. Pigs evolve. South America separates from Antarctica, becoming an island continent.
The Eocene–Oligocene extinction event, also called the Eocene-Oligocene transition (EOT) or Grande Coupure (French for "great cut"), is the transition between the end of the Eocene and the beginning of the Oligocene, an extinction event and faunal turnover occurring between 33.9 and 33.4 million years ago. [1]
Extant biological taxa that first appeared during the Eocene epoch, of the Early/Lower Paleogene period. Plants and animals first appearing between 56 and 33.9 million years ago in the Eocene that have not yet gone extinct
The Cold War space race kicked off a series of lunar missions, and the majority since then have been uncrewed. NASA’s Apollo missions were the first to send humans around the moon during the ...
The Eocene-Oligocene transition was a major cooling event and reorganization of the biosphere, [33] [34] being part of a broader trend of global cooling lasting from the Bartonian to the Rupelian. [ 35 ] [ 36 ] The transition is marked by the Oi1 event, an oxygen isotope excursion occurring approximately 33.55 million years ago, [ 37 ] during ...