Meaning of cryptozoic | Babel Free
Definitions
An eon or other time period before the Cambrian, when the fossils of hard-shelled animals first appeared in the geological record.
archaic
Equivalents
Deutsch
Kryptozoikum
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.