尤金齿目(Eugeneodontida)是一类已经绝迹且鲜为人知的奇异软骨鱼。尤金齿目下颌关节和长桡骨支撑的胸鳍上有独特的“旋齿”。尤金齿目被列入全头类,现存最亲近的亲种是短鼻银鲛科[2]。
分类
尤金齿目被进一步划分为不同的科,保存最完好的成员通常是旋齿鲨科与剪齿鲨科。
参考资料
外部链接
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