肉鳍鱼亚纲
曾为硬骨鱼纲的一亚纲。偶鳍基部有肉质柄，外被鳞片，故称肉鳍鱼类。曾被认为具内鼻孔，又称内鼻鱼类(choanate)。背鳍两个，偶鳍、背鳍及臀鳍均具肉质鳍基，内具分节骨骼支持。尾歪型或原型。具整列层鳞。繁盛于泥盆纪，此后衰落，现仅有极少数残存类型。早期分为总鳍鱼目及肺鱼目，现多认为是两个独立的亚纲。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Paleontology
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| English |
|---|
| Name | Sarcopterygii |
| Chinese |
|---|
| Name | 肉鳍鱼亚纲 |
| Description | 曾为硬骨鱼纲的一亚纲。偶鳍基部有肉质柄，外被鳞片，故称肉鳍鱼类。曾被认为具内鼻孔，又称内鼻鱼类(choanate)。背鳍两个，偶鳍、背鳍及臀鳍均具肉质鳍基，内具分节骨骼支持。尾歪型或原型。具整列层鳞。繁盛于泥盆纪，此后衰落，现仅有极少数残存类型。早期分为总鳍鱼目及肺鱼目，现多认为是两个独立的亚纲。 |
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NNU_Group (2011). 肉鳍鱼亚纲, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/30a73234-704b-4a54-8ae0-f5ca67a304c3
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