Phymolepis is an extinct genus of yunnanolepidid placoderm from the Early Devonian of China. The type species, P. cuifengshanensis, was named by Zhang Goroui in 1978Chang, K-J. (1978). Symposium on the Devonian System of South China: Early devonian antiarchs from Cuifengshan, Yunnan. Institute of Geology and Mineral Resources of the Chinese Academy of Geological Sciences, ed. Geological Press; Beijing: 1978; pp. 292–297.Zhang, G. (1978). The antiarchs from the Early Devonian of Yunnan. Vertebrata PalAsiatica. 1978;16:147–186. and was re-evaluated in 2018, while a second species, P. guoruii, was named and described in 1996.
The holotype of P. cuifengshanensis is IVPP V4225.3, a nearly complete trunk shield, and it was found in the Xitun Formation, near Cuifengshan. The paratype is IVPP V4425.6, a posterior median dorsal plate, and several other specimens of varying completeness have also been referred to Phymolepis, with some specimens also being recovered from the Xishancun Formation.
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