A list of 3 words by hegpeg.
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- Cenozoic1296450264and appears on 3 listswas added by hegpeg and appears on 3 lists
- Mesozoic1296450256and appears on 5 listswas added by hegpeg and appears on 5 lists
- Paleozoic1296450245and appears on 4 listswas added by hegpeg and appears on 4 lists
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hegpeg commented on the list geologic-timescale--era
Paleozoic, Mesozoic, and Cenozoic are all under the Eon of 'Phanerozoic' meaning 'abundance of fossil evidence of life, especially higher forms'.
January 31, 2011