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. 1 Photos of the new postparietal shield (IVPP V 15132.50) in dorsal (A) and ventral (B) views Abbreviations: bs.fn. basicranial fenestra; cr.par. crista parotica; gr.a.dl. groove for lateral dorsal aorta; lc. lateral commissure; lcc. main lateral line canal; nc. notochord; ot.sh. otic shelf; r.sub. subjugular ridge; St. supratemporal; v.ar.pl. ventral arcual plate; v.font. vestibular fontanelle