“…JB, the Jiamusi Block, is considered to be a part of the SXB. Localities of Archaeopteris : 1, Heihe, Heilongjiang, China (Cai, 1981; locality IX in Table 3); 2, Sonid Zuoqi, Inner Mongolia, China (flag, this study); 3, Southeastern Altay, Russia (Gutak et al, 2011); 4, North Timan, Russia (Orlova et al, 2016); 5, Bear Island, Norway (Nathorst, 1902; Edwards and Berry, 1991); 6, Namur, Belgium (Fairon-Demaret and Leponce, 2001); 7, Kiltorcan Hill, Ireland (Dawson, 1871); 8, Ellesmere Island, Canada (Andrews et al, 1965); 9, New York, USA (Carluccio et al, 1966); 10, Pennsylvania, USA (Beck, 1971); 11, West Virginia, USA (Phillips et al, 1972); 12, Eastern Cordillera, Colombia (Berry et al, 2000); 13, Sierra de Perijá, Venezuela (Berry et al, 2000); 14, Eastern Anti-Atlas, Morocco (Meyer-Berthaud et al, 1999); 15, Eastern Cape, South Africa (Anderson et al, 1995); 16, Nanjing, Jiangsu, China (Wu et al, 1982); 17, Changyang, Hubei, China (Hao and Mei, 1987; Guo and Wang, 2011); 18, Chizhou, Anhui, China (Guo and Wang, 2009); 19, Xinhui, Guangdong, China (Cai et al, 1987); 20, New South Wales, Australia (Young, 2007; Meyer-Berthaud et al, 2016a). Localities of Melvillipteris : 2 (this study) and Melville Island, Canadian Arctic Archipelago (Xue and Basinger, 2016).…”