• WordNet 3.6
    • adj archeozoic of or belonging to earlier of two divisions of the Precambrian era "archeozoic life forms"
    • n Archeozoic the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
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In literature:

As regards the life of the Archean, or, as some call it, the "Archeozoic" period, we know nothing.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 4" by Various
Moreover, they could live in most latitudes, for the indirect evidences of life in the Archeozoic and Proterozoic rocks are widely distributed.
"Climatic Changes" by Ellsworth Huntington