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全骨鱼类(化石)
进化阶段和特征组合上介于软骨硬鳞类和真骨鱼类之间的辐鳍鱼类。以现生于美洲淡水中的雀鳝(Lepisosteus)和弓鳍鱼(Amia)为代表。
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Sergey Pavlovich Zalygin
Sergey Semionovich Namiotkin
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Sergey Timofeyevich Aksakov
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