云南中三叠世拱鱼目一新属种及早期铰齿鱼类系统发育关系再评估 |
徐光辉, 马昕莹, 吴飞翔, 任艺 |
A Middle Triassic kyphosichthyiform from Yunnan, China, and phylogenetic reassessment of early ginglymodians |
XU Guang-Hui, MA Xin-Ying, WU Fei-Xiang, REN Yi |
Fig. 1 Holotype of Yudaiichthys eximius gen. et sp. nov., IVPP V 20431 Abbreviations: bf. basal fulcrum; ff. fringing fulcrum; pr. principal fin ray; rr. rudimentary ray |