Zhao et al.—New Jurassic Nilssoniopteris species from Xinjiang of China
537
Figure 9. Nilssoniopteris crassiaxis Zhao and Deng, n. sp. from the Xishanyao Formation of the Sandaoling Coal Mine, Xinjiang Uygur Autonomous Region, China. (1) Apical portion of a leaf, SDL-98-4-11; (2) apical portion of a leaf, SDL-98-268; (3) lower part of a leaf, SDL-98-409; (4) enlargement of a midrib, showing transverse wrinkles, SDL-98-L7; (5) enlargement of the midrib from Figure 9.6, showing the exposed midrib, SDL-98-4-13; (6) near the widest part of a leaf, SDL-98-4-13; (7)veins fork and then merge, or fork and then merge with the adjacent vein (indicated by white arrows), SDL-98-L2; (8) veins merge (indicated by white arrows), SDL-98-L2; (9) veins fork, then merge, and then fork again (indicated by white arrows), SDL-98-4-10; (10) part of a leaf, SDL-98-L14; (11) lower part of a leaf and a petiole, SDL-98- L1; (12) a young leaf, SDL-07-85; (13) a leaf on the left and a leaf on the right, SDL-98-L2. Scale bars=5mm (4, 5), 2mm (7–9) and 1cm in the others.
