Periods of Time With Accentuated Cold Elements

This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1595, Puzzle 5 (Loch Ness Monster).

Question is: Periods of Time With Accentuated Cold Elements

and the answer is: ICEAGES

Word Meaning:

ICE AGES — plural of ice age

Definitions from Wiktionary.