云南曲靖下泥盆统最大真盔甲鱼类漫游憨鱼再描述 |
孟馨媛, 朱敏, 盖志琨 |
Redescription of Nochelaspis maeandrine ,the largest eugaleaspiform from the Lower Devonian of Qujing, Yunnan |
MENG Xin-Yuan, ZHU Min, GAI Zhi-Kun |
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Fig. 3 Photographs of Nochelaspis maeandrine IVPP V 26124.2, 3 from the dark grey sandy mudstone of the Xishancun Formation in Qujing, Yunnan, China A, B. a nearly complete headshield, V 26124.2: A. in dorsal view, B. in ventral view to the anterior part, showing the oral fenestra; C. close-up of median dorsal opening (box region of |