Cryptozoic

See also: cryptozoic

English

Etymology

From crypto- +‎ -zoic, as any life from the period was considered to be hidden from scientific examination.

Proper noun

Cryptozoic

  1. (archaic, geology) An eon or other time period before the Cambrian, when the fossils of hard-shelled animals first appeared in the geological record.

Synonyms

Translations

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