Below you can find the The cenozoic era is called the age of this class of animals since they became prominent then Jeopardy Words Answer. The answer to The cenozoic era is called the age of this class of animals since they became prominent then has 7 letters. This clue belongs to the Geology category and is part of Jeopardy Word Level 1838. If you scroll near the bottom you will find other clues and answers part of level 1838