Crossword Clue:

Epoch when horses first appeared

AnswerCrossword Clue
EOCENEEpoch when horses first appeared
EOCENEEpoch when horses appeared
EOCENEEpoch when monkeys first appeared
EOCENEEpoch when bats first appeared
EOCENEEpoch when mammals appeared
MIOCENEGeological epoch when mastodons appeared
EOCENEEpoch when modern mammals appeared