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From 230 million to about 544 million years ago
Answer for the clue "From 230 million to about 544 million years ago ", 9 letters:
paleozoic
Word definitions for paleozoic in dictionaries
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
in reference to the geological era between the Precambrian and the Mesozoic, 1838, coined by Adam Sedgwick (1785-1873) from paleo- + Greek zoe "life."
Wikipedia
Word definitions in Wikipedia
The Paleozoic (or Palaeozoic ) Era (; from the Greek palaios (παλαιός), "old" and zoe (ζωή), "life", meaning "ancient life") is the earliest of three geologic eras of the Phanerozoic Eon , spanning from . It is the longest of the Phanerozoic eras, and is ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Paleozoic \Pa`le*o*zo"ic\, a. [Paleo- + Gr. zwh` life, fr. zh^n to live.] (Geol.) Of or pertaining to, or designating, the older division of geological time during which life is known to have existed, including the Silurian, Devonian, and Carboniferous ...
Usage examples of paleozoic.
This one-time bed of the Paleozoic sea between Archaean shores, raised in time above the ocean and enriched of the mountains that through millions of years were gradually to be worn down by the natural forces of the valley, and finally, as we have seen, opened by the French as a newcreated world to be peopled by the old world, then overflowing its brim, became all of it in the space of a single lifetime the property of a few million human beings, their heirs, and assigns forever.
They were spawned by the pit, by the deaths of the Archeozoic, the Paleozoic, the successive geological periods, and along with their Intelligence received the guarantee of their own demise.
Anvil, waiting for the Hawksbill Field to enfold him and kick him back to the early Paleozoic.
Paleozoic mesofauna he expected to sift through a tullgren funnel, would have meant a damn thing.
And, as for paleozoology, the Paleozoic would be nothing if not a big aquarium stocked with weird wiggly things and maybe a few big showy monsters.
The pit is almost a thousand feet at its deepest, and cuts through layers of rock that go back all the way to the Paleozoic Era, three hundred and twenty-five million years ago.
By the Late Permian Period, the last of the Paleozoic Era, some 245 million years ago, all of these migrating landmasses converged.
It would be many months before the team was able to definitively identify the fish at Happy Fish as a coelacanth, a lobe-finned fish that first emerged in the Devonian Period of the Paleozoic Era, some 400 million years ago, and became extinct not long after the rocks of Bahariya were laid down.
From 380 to 362 million years ago, during what's now labeled the Devonian period of the Paleozoic Era, mass extinctions removed about 70 percent of life in the ocean.
With his incredibly tortuous set-ups and his corny voice and his Paleozoic punchlines, we all fall down laughing.
With his incredibly tortuous set-ups and his corny voice and - his Paleozoic punchlines, we all fall down laughing.