Psephurus gladius 白鲟[学 名]：Psephurus gladius [同义名]：Polyodon gladius, Polyodon angustifolium [外文名]：Chinese Paddlefish，Chinese swordfish(E) [中文名]：白鲟(又称象鱼) [分 类]：脊椎动物门Chordata，脊椎动物亚门Vertebrata，有颌类Gnathostomata，硬骨鱼纲Osteichthyes，辐鳍鱼亚纲Actinopterygii，软骨硬磷类 Chondrostei，鲟形目Acipenseriformes，鲟亚目Acipenseroidei，匙吻鲟科Polyodontidae，白鲟属Psephurus | 
