| 单词 | Oligocene epoch |
| 例句 | The report includes an understated, but nonetheless pointed, criticism of the paltriness of scientific literature about North Pacific odontocetes species from the Oligocene epoch, which lasted roughly from 33.7 to 23.8 million years ago. Ancient dolphin cousins with odd teeth hint at echolocation evolution 2023-06-24T04:00:00Z The fossil dates to the late Oligocene epoch and is believed to be 24 million to 28 million years old. Rare fossil of ancient dog species discovered 2022-05-03T04:00:00Z This dating places the discovery in the Oligocene epoch, which extends from about 34 million to 23 million years ago. Fossils Indicate Common Ancestor for Old World Monkeys and Apes 2013-05-16T16:45:00.373Z |
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