鳍脚亚目
哺乳纲真兽次亚纲食肉目的一亚目，为次生性适应海中生活的食肉类。体型一般较大，呈流线型，皮下有厚脂肪层，有可伸缩的颈部。四肢鳍足状，无尾鳍，后鳍足起尾鳍作用。牙齿变化大，多为锥形，下门齿1对或2对。中新世至现代。现生海豹、海狮、海象均属此亚目，多产于北冰洋、北太平洋、北大西洋、南极海域。
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contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Paleontology
Detailed Description
| English |
|---|
| Name | Pennipedia |
| Chinese |
|---|
| Name | 鳍脚亚目 |
| Description | 哺乳纲真兽次亚纲食肉目的一亚目，为次生性适应海中生活的食肉类。体型一般较大，呈流线型，皮下有厚脂肪层，有可伸缩的颈部。四肢鳍足状，无尾鳍，后鳍足起尾鳍作用。牙齿变化大，多为锥形，下门齿1对或2对。中新世至现代。现生海豹、海狮、海象均属此亚目，多产于北冰洋、北太平洋、北大西洋、南极海域。 |
How to Cite
NNU_Group (2011). 鳍脚亚目, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/3c200d9f-650e-4e9b-ad5a-378500478f2c
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