云南昭通早泥盆世四足形类奇异东生鱼后顶甲及脑颅耳枕区化石兼论早期四足形类脑颅特征演化

卢静, GavinYOUNG, 胡雨致, 乔妥, 朱敏

The posterior cranial portion of the earliest known tetrapodomorph Tungsenia paradoxa and the early evolution of tetrapodomorph endocrania

LU Jing, Gavin YOUNG, HU Yu-Zhi, QIAO Tuo, ZHU Min

Fig. 3 Rendered posterior cranial portion (IVPP V 15132.50) and comparisons of selected rhipidistian endocrania in posterior view A. right lateral view of Tungsenia; B. posterior view of Tungsenia; C. line drawing of the endocranium of Youngolepis in posterior view, modified from Chang, 1982; D. line drawing of the endocranium of Tungsenia in posterior view; E. line drawing of the endocranium of Gogonasus in posterior view, modified from Long et al., 1997. Abbreviations: c.X. canal for vagus nerve; f.br. fossa bridgei; fm. foramen magnum; f.occ.lat. lateral occipital fissure; f.tect. fossa tectosynotica; pdf. posterior dorsal fontanelle; poc. postotic sensory canal; pr.pot. postotical process. For other abbreviations see Figs. 1, 2. Not to scale