1,477,004
edits
Item:Q26280: Difference between revisions
Created claim: instance of (P1): geochronological unit (Q26279)
(Created a new Item: Precambrian Supereon, a supereon geochronolgical time scale starting at the formation of the earth and ending at the base of the Phanerozoic eon) |
(Created claim: instance of (P1): geochronological unit (Q26279)) |
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| Property / instance of | |||
| Property / instance of: geochronological unit / rank | |||
Normal rank | |||