| Oligocene Epoch | สมัยโอลิโกซีน [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
| oligocene |
| oligocene | (n) from 40 million to 25 million years ago; appearance of sabertoothed cats, Syn. Oligocene epoch |
| Oligocene | a. [ Oligo- + Gr. &unr_; new, recent. ] (Geol.) Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods. -- |
| 渐新世 | [渐 新 世 / 漸 新 世] Oligocene (geological epoch from 34m-24m years ago) #190,734 [Add to Longdo] |
| 渐新统 | [渐 新 统 / 漸 新 統] Oligocene system (geol., 34m-24m years ago) #356,107 [Add to Longdo] |
| 漸新世 | [ぜんしんせい, zenshinsei] (n) Oligocene epoch [Add to Longdo] |