Cenozoic epoch
Else clues• 15-million-year epoch
• A Tertiary Period epoch
• Certain epoch
• Certain geologic epoch
• Dawn horse epoch
• Dawn-of-mammals epoch
• Early era
• Epoch 50 million years ago
• Epoch between Paleocene and Oligocene
• Epoch characterized by the rise of mammals
• Epoch in the Cenozoic Era
• Epoch in the Tertiary period
• Epoch in which mamals arose
• Epoch in which mammals became dominant
• Epoch in which modern mammals emerged
• Epoch in which modern mammals first emerged
• Epoch of 50 million years ago
• Epoch of mammals' appearance
• Epoch of modern birds and mammals
• Epoch that saw the advent of mammals
• Epoch that saw the rise of mammals
• Epoch when bats first appeared
• Epoch when horses appeared
• Epoch when mammals appeared
• Epoch when mammals arose
• Epoch when mammals began
• Epoch when mammals emerged
• Epoch when mammals evolved
• Epoch when modern mammals appeared
• Epoch when monkeys first appeared
• Extremely warm epoch in which mammals became dominant
• Geologic epoch
• Mammalian epoch
• Modem mammal era
• Occurring 40 to 55 million years ago
• One of the epochs
• Tertiary division
• Tertiary epoch
• Tertiary Period part
• Tertiary Period segment
• Time of the first modern mammals
• From 40 million to 58 million years ago
• Presence of modern mammals