“…This is the earliest evidence of floristic mixing between the two floras in eastern Xinjiang (Hami area) as both the fossil wood samples (WB02, WB04, WB04, WB05) underlying WB06 and the Noeggerathiopsis-Nephropsis-Angaropteridium plant assemblage from the underlying Lower Permian Yierxitu Formation (Fig. 2) are all typical Angaran floral elements (Meyen, 1982;Huang and Ding, 1998;Sun, 2006;Sunderlin, 2010), with no signals of the Cathaysian flora.…”