Source / 来源: 讲解手册/珍奇柜-脊梁骨展签五审_0923.pdf
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周氏鸿鱼
中国晚泥盆世的大型四足形类
周氏鸿鱼生活于约3.7亿年前的晚泥盆
世，是中国发现的一种大型四足形类肉
鳍鱼，估计体长可达约1.5米。周氏鸿
鱼保存了部分头骨、肩带和前22节脊
柱，环状骨化椎体发育，中央保留脊索
通道。周氏鸿鱼兼具根齿鱼类和较进步
四足形类的若干特征，为认识四足形类
不同支系中相似结构的平行演化，以及
鱼类向四足动物演化过程中的脊柱和
肩带变化提供了重要证据。
Hongyu chowi
A Large Tetrapodomorph from the Late Devonian of China
Hongyu chowi was a large tetrapodomorph fish that lived 
approximately 370 million years ago during the Late 
Devonian. Discovered in Ningxia, China, it had an estimated 
body length of about 1.5 metres. The holotype preserves 
parts of the skull and pectoral girdle, together with the first 
22 vertebral centra. Its vertebrae have ring-shaped centra 
surrounding a canal for the notochord. Hongyu chowi 
combines features characteristic of rhizodonts with others 
resembling those of more crownward tetrapodomorphs. This 
unexpected combination provides evidence for extensive 
parallel evolution among early tetrapodomorph lineages 
and offers important insights into the evolution of the 
vertebral column and pectoral girdle along the lineage 
leading towards tetrapods.