New evidence on the anatomy and phylogeny of the earliest vertebrates.

We report the discovery of a new agnathan specimen from the Lower Cambrian Chengjiang Lagerstätte of China and thereby provide new evidence on the myomeres (V-shaped), the branchial apparatus (gill filaments and arches), the dorsal fin and the gonads (24-26) of the earliest vertebrates. The new spec...

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Main Authors: Xian-guang, H, Aldridge, R, Siveter, D, Xiang-hong, F
格式: Journal article
语言:English
出版: 2002