Wuchiapingian

EtymologyName formalityFormalUsage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitAgeStratigraphic unitStageTime span formalityFormalLower boundary definitionFAD of the ConodontClarkina postbitteri postbitteriLower boundary GSSP, Laibin, Guangxi, China
23°41′43″N109°19′16″E / 23.6953°N 109.3211°E / 23.6953; 109.3211Lower GSSP ratified2004Upper boundary definitionMeishan, Zhejiang, ChinaUpper boundary GSSPFAD of the Conodont Clarkina wangi
31°04′55″N119°42′23″E / 31.0819°N 119.7064°E / 31.0819; 119.7064Upper GSSP ratified2005

In the geologic timescale, the Wuchiapingian or Wujiapingian (from Chinese: 吴家坪; pinyin: Wújiāpíng; lit. 'Wu Family Flatland' in the Liangshan area of Hanzhong, Shaanxi Province33°03′59″N107°01′24″E / 33.0664°N 107.0232°E / 33.0664; 107.0232) is an age or stage of the Permian. It is also the lower or earlier of two subdivisions of the LopingianEpoch or Series. The Wuchiapingian spans the time between 259.857 and 254.14 million years ago (Ma). It was preceded by the Capitanian and followed by the Changhsingian.

Regional stages with which the Wuchiapingian is coeval or overlaps include the Djulfian or Dzhulfian, Longtanian, Rustlerian, Saladoan, and Castilian.