English Obirkovia Cited by user SlvrHwk on 26 Dec 2023 Obirkovia is an extinct genus of pareiasaur from the late Permian Salarevo Formation of Russia.
Chinese 乌拉尔去世 Cited by user 安全少年台阿拉油 on 10 Feb 2022 乌拉尔去世(英语:Cisuralian),是2.99亿至2.72亿年前的一个地质时代。乌拉尔世二叠纪的第一个地质世,前后分别是賓夕法尼亞世和瓜达洛普世。乌拉尔世以乌拉尔山脉命名。该时期气候温暖,出现了苍蝇和甲虫。.
English Cisuralian Cited by user Kent G. Budge on 17 Jun 2021 The Cisuralian is the first series/epoch of the Permian. The Cisuralian was preceded by the Pennsylvanian and followed by the Guadalupian.