| Xitun Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Cuifengshan Group[1] |
| Underlies | Guijiatun Formation[2] |
| Overlies | Xiaxishancun Formation[2] |
| Lithology | |
| Primary | Calciferous mudstones[2] |
| Location | |
| Coordinates | 25°29.853'N and 103°46.309'E[2] |
| Region | Yunnan Province |
| Country |  China |
| Extent | Qujing |
| Type section | |
| Named for | Xitun village |
The Xitun Formation is a palaeontological formation which is named after Xitun village in Qujing, a location in South China. This formation includes many remains of fossilized fish and plants of the Early Devonian period (Late Lochkovian).[1][2] It was originally referred to as the Xitun Member of the Cuifengshan Formation (now the Cuifengshan Group).[3]
- ^ a b Zhu, Min (1996-01-01). "The phylogeny of the Antiarcha (Placodermi, Pisces), with the description of Early Devonian antiarchs from Qujing, Yunnan, China". Bull. Mus. Nat. Hist. Natur., Sér.
- ^ a b c d e Xue, Jinzhuang (March 2012). "Lochkovian plants from the Xitun Formation of Yunnan, China, and their palaeophytogeographical significance". Geological Magazine. 149 (2): 333–344. Bibcode:2012GeoM..149..333X. doi:10.1017/S001675681100077X. ISSN 0016-7568. S2CID 129280508.
- ^ Wang, Nianzhong.; Wang, Nianzhong (1984). "Thelodont, acanthodian, and chondrichthyan fossils from the Lower Devonian of southwestern China". Proceedings of the Linnean Society of New South Wales. 107: 419–441. ISSN 0370-047X.