bn:00064067n
Noun Named Entity
Categories: Articles with short description, Precambrian
EN
Precambrian  Precambrian eon  Precambrian aeon  Precambrian period  Precambrian time
EN
The eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago WordNet 3.0
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EN
The eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago WordNet 3.0 & Open English WordNet
The Precambrian is the earliest part of Earth's history, set before the current Phanerozoic Eon. Wikipedia
Supereon dating from Earth's creation to the Cambrian period Wikidata
The eon (or supereon) and rock formations dated before 541.0±1.0 million years ago, coinciding with the first appearance of the fossils of hard-shelled animals. Wiktionary
Eon before the Phanerozoic. Wiktionary (translation)
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