| Daohugouthallus Temporal range: 168-152 Ma
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| Simplified sketch diagram of the D. ciliiferus fossil holotype. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Family: | †Daohugouthallaceae X.L.Wei, D.Ren & J.C.Wei (2022) |
| Genus: | †Daohugouthallus Wang, Krings & Taylor (2010) |
| Species: | †D. ciliiferus
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| Binomial name | |
| †Daohugouthallus ciliiferus Wang, Krings & Taylor (2010)
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Daohugouthallus is a monotypic genus of lichen, known from fossils found in the Jurassic Haifanggou Formation near Daohugou village, Ningcheng County, China.[1] The genus contains a single species, D. ciliiferus. Although Daohugouthallus shows some relationships to the family Parmeliaceae, it is distinct enough for scientists to suggest its classification into its own family, Daohugouthallaceae.[2] Dated at approximately 165 million years ago, this macrolichen is thought to be the earliest fossil example of an epiphytic macrolichen, indicating it likely grew on gymnosperm plants.[2]
- ^ Wang, Xin; Krings, Michael; Taylor, Thomas N. (2010-11-01). "A thalloid organism with possible lichen affinity from the Jurassic of northeastern China". Review of Palaeobotany and Palynology. 162 (4): 591–598. Bibcode:2010RPaPa.162..591W. doi:10.1016/j.revpalbo.2010.07.005.
- ^ a b Yang, Qiuxia; Wang, Yanyan; Lücking, Robert; Lumbsch, H. Thorsten; Du, Zhenyong; Chen, Yunkang; Bai, Ming; Ren, Dong; Wei, Jiangchun; Li, Hu; Wang, Yongjie; Wei, Xinli (2023-01-20). "The Jurassic epiphytic macrolichen Daohugouthallus reveals the oldest lichen-plant interaction in a Mesozoic forest ecosystem". iScience. 26 (1): 105770. Bibcode:2023iSci...26j5770Y. doi:10.1016/j.isci.2022.105770. ISSN 2589-0042. PMC 9800524. PMID 36590161.