总鳍鱼类 - 百度百科
总鳍鱼类（Crossopterygii）是脊椎动物、硬骨鱼类的1个大分支。 在古生代泥盆纪和中生代曾广泛分布。 总鳍鱼类包括骨鳞鱼在内的扇鳍鱼类和空棘鱼类两支，现仅有残存于非洲东南部海洋 …
Definition, Features, Evolution, & Facts - Britannica
Crossopterygian, (subclass Crossopterygii), any member of a group of primitive, lobe-finned, bony fishes believed to have given rise to the amphibians and all other land vertebrates. They …
Sarcopterygii - Wikipedia
Sarcopterygii (/ ˌ s ɑːr k ɒ p t ə ˈ r ɪ dʒ i. aɪ /; from Ancient Greek σάρξ (sárx) 'flesh' and πτέρυξ (ptérux) 'wing, fin') — sometimes considered synonymous with Crossopterygii (from Ancient …
CROSSOPTERYGII :- STRUCTURE AND AFFINITIES
Crossopterygian, (subclass Crossopterygii), any member of a group of primitive, lobe-finned, bony fishes believed to have given rise to the amphibians and all other land vertebrates. One major …
总鳍鱼 - 百度百科
但近年来，我国古鱼类学家张弥曼采用头骨化石的连续磨片技术，深入研究了我国云南省东部的早泥盆纪骨鳞鱼——先驱杨氏鱼 (Younaolepispiaecursor)的特征，并对比了其他骨鳞鱼类的头骨 …
肉鳍鱼 - 维基百科，自由的百科全书
肉鳍鱼总纲 （学名： Sarcopterygii， 英語： lobe-finned fish）是 硬骨鱼类 的一个 演化支，与 辐鳍鱼 互为 姐妹群。 肉鳍鱼的特点是 鳍 的主体是一个内有多 关节 内骨骼 （附肢骨骼）和 骨 …
Crossopterygii Definition & Meaning - Merriam-Webster
The meaning of CROSSOPTERYGII is a superorder of Choanichthyes comprising the lobe-finned fishes that have existed since the Devonian but are now largely extinct, that have paired fins …
总鳍鱼亚纲 - 百度百科
总鳍鱼亚纲是硬骨鱼纲的一个类群，也曾作为肉鳍鱼类的一个目。 包括扇鳍鱼类和空棘鱼类两种类型。
Introduction to the Sarcopterygii - University of California …
The name Sarcopterygii (or sometimes Crossopterygii) used to refer only to the fish members of the group, but since it has become clear that the Tetrapoda evolved from sarcopterygian fish, …
腔棘鱼coelacanth，腔棘目(Crossopterygii)一些叶鳍硬骨鱼类的统 …
2018年5月18日 · 近缘但已绝灭的扇鳍鱼亚目 (Rhipidistia)的种类被认为是陆生脊椎动物的祖先。 在某些分类系统中，腔棘鱼和扇鳍鱼均被认为隶属总鳍亚纲 (Crossopterygii)内之不同目。 腔 …