云南罗平中三叠世翼鳕属一新种及早期辐鳍鱼类系统发育关系

任艺, 徐光辉

A new species of Pteronisculus from the Middle Triassic (Anisian) of Luoping, Yunnan, China, and phylogenetic relationships of early actinopterygian fishes

REN Yi, XU Guang-Hui

Fig. 8 Anterior portion of skull and cheek region of Pteronisculus changae sp. nov. A. anterior potion of skull, IVPP V 20493, dusted with ammonium chloride; B. line-drawing of A; C. maxilla in medial view, IVPP V 18994; D. line-drawing of C