Fig. 3 in Shallow-Water Occurrence ofWiwaxiain the Middle Cambrian of the Barrandian Area, Czech Republic

Fig. 3. Palaeogeographical distribution of the genus Wiwaxia in the lower and middle Cambrian. 1, Wiwaxia corrugata (Matthew, 1899), Burgess Shale of the Stephen Formation, British Columbia, USA (Conway Morris 1985a); 2, Wiwaxia corrugata (Matthew, 1899), Mount Cap Formation, northwestern Canada (Butterfield 1994); 3, Wiwaxia cf. corrugata (Matthew, 1899), Spence Shale, west−central Utah, USA (Conway Morris and Robison 1988; Robison 1991); 4, Wiwaxia taijiangensis Zhao, Qian, and Li, 1994, Kaili Formation, Guizhou, China (Zhao et al. 1994); 5, Wiwaxia sp., Emu Bay Shale, South Australia (Nedin unpublished material, Porter 2004); 6, Wiwaxia sp., Monastery Creek Formation, North Australia (Southgate and Shergold 1991; Porter 2004); 7, Wiwaxia sp., Sinsk Formation, Siberia (Ivantsov et al. 2005a, b); 8, Wiwaxia sp. cf. Wiwaxia corrugata (Matthew, 1899), Slapnice Member, Buchava Formation, Czech Republic (this paper). Early Cambrian palaeogeography modified after McKerrow et al. (1992).