Archeozoic
2 subentries
- Archeozoic. See also geologic ages
- last time earth completely covered by water (78:7.4)
- prelife era, from 1 billion to 550 million years ago (59:0.2)
Cross-references
- See also geologic ages
Cited alongside
Headwords that cite the same paragraphs as this one, commonest first. The number is how many subentries each has.