Crossword puzzle clue "geological era"

Here are the possible solutions for geological era clue

Answer
Clue
Relevancy
aeon
Clue
Era after era after era
Geological era
Era after era
Geological period
Geological time
Definition
the largest division of geological time, composed of several eras, also EON
silurian
Clue
Geological era
eon
Clue
Era after era
Era upon era
Definition
a long period of time, also AEON

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