tetrapod

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古生物学家米歇尔·劳林重新起用“坚头类”这个名词来定义分支系统学上比较离片锥目关系更密切，而非潘氏鱼的有脊椎动物(the closest relative of tetrapods known to have retained paired fins, see below) 。 因此，坚...

非洲肺鱼属于脊索动物门--脊椎动物亚门--Osteoechinae--Acroclass lopfinniae--Pulmonary tetrapods--subclass lungfish-- Order 美洲肺鱼不可忽视的是这个小小的鱼鳔，骨鱼可以在里面储存空气，通过呼气和吸气在水中自由浮沉。

If you put it in a pot, it will climb climbing oh, until the entire legislation, and then crashed a tetrapod overturned. But after its overthrow body will still continue, the perseverance of this great animal. ...

it will climb climbing oh, until the entire legislation, and then crashed a tetrapod overturned. But after its overthrow body will still continue, the perseverance of this great animal.Turtle good support. I ...

如:鱼和四角动物分离了约410MyaFishandtetrapods(limbedanimals)divergedabout410Mya... 如:鱼和四角动物分离了约410MyaFish and tetrapods (limbed animals) diverged about 410 Mya 展开 分享 新浪微博 QQ空间 举报 1...

The lung is the essential respiration organ in air-breathing animals, including most tetrapods, a few fish and a few snails. The most primitive animals with a lung are the lungfish (vertebrate) and the ...

其它中文名称（ chinese[other]）→ ..发音（pronounced）→ ...含义（meaning）→ .. 亚纲（subclass）→ sarcopterygii 肉鳍亚纲目（order）→ tetrapodomorpha 四足形动物科（family）→ ...属（genus）→ kenichthys...

The lung is the essential respiratory organ in many air-breathing animals, including most tetrapods, a few fish and a few snails. In mammals and most other vertebrates, two lungs are located near the ...

四足动物（Tetrapod）的肺是由鱼鳔进化而来，而且结构非常复杂，适应了陆地环境，可以从空气中摄取氧气。化石证据表明动物脚趾数量在进化中逐渐减少。Elpistostege是一种已经灭绝的四足类鱼类，生活在泥盆纪晚期(晚至弗拉斯纪早期)...