Prehistoric Vertebrates and Prehistoric Invertebrates /
Acanthostega (meaning Spiny Roof) is an extinct labyrinthodont genus, among the first vertebrate animals to have recognizable limbs. It appeared in the Upper Devonian (Famennian) about 365 million years ago, and was anatomically intermediate between lobe-finned fishes and the first tetrapods fully c...
主要作者: | Bowers, Sammy, author 648388 |
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格式: | software, multimedia |
语言: | eng |
出版: |
Delhi, India : White Word Publications,
2012
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主题: |
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