Fig. 6 in Xenoxylon synecology and palaeoclimatic implications for the Mesozoic of Eurasia

Fig. 6. Distribution and diversity of the fossil wood groups associated with Xenoxylon. A. Late Jurassic to Early Cretaceous (1, Japan; 2, Northeast China-Beijing, Liaoning, Jilin, Heilongjiang, and Inner Mongolia; 3, Southeast Mongolia; 4, Western China-Xinjiang; 5, Primorye; 6, Arctic; 7, Greenland; 8, Canada-Alberta; 9, Canadian Arctic Archipelago; 10, Alaska-Central North Slope). B. Late Cretaceous (1, Sakhalin; 2, Alaska-Central North Slope). Abbreviations: A, Protocedroxylon-group; B, Taxodioxylon-group; C, Phyllocladoxylon-group; D, Podocarpoxylon-group; E, Agathoxylon; F, Brachyoxylon-group; G, others (for the composition of each taxonomical group see Table 2).