Ichthyostegalia的音标：...

鱼甲龙目...

Ichthyostegalis的音标：...

It is impossible to say with certainty what Ichthyostega was doing ashore.但我们没办法笃定说鱼石螈在岸上做些什麽事....

鱼石螈目...

鱼甲龙...

Ichthyostega的音标：...