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昭通鱼属

昭通鱼属
化石时期:409 Ma
泥盆纪早期
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 盔甲鱼纲 Galeaspida
科: 昭通鱼科 Zhaotongaspidae
属: 昭通鱼属 Zhaotongaspis
模式种
让氏昭通鱼
Zhaotongaspis janvieri

Wang & Zhu, 1994

昭通鱼属学名Zhaotongaspis),为盔甲鱼纲下的一种鱼类,化石发现于中国云南的坡松冲组[1]

发现与研究

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1991年5月,云南昭通市东北地区的泥盆纪地层坡松冲组(布拉格期)发现了许多早期脊椎动物化石,其中鱼类化石的种类包括盔甲鱼类、盾皮鱼类肉鳍鱼类[1]

特征

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昭通鱼有30至40对鳃穴(可能为无颔类生物中的数量最多的种类),中背孔非常大,呈椭圆形;角内缘具有12至20个小刺[1]

命名

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昭通鱼的模式种名来自于法国古生物学家 Philippe Janvier 博士[1]

参考文献

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  1. ^ 1.0 1.1 1.2 1.3 Jun-Qing Wang & Min Zhu. 滇东北昭通早泥盆世盔甲鱼类一新属种 (PDF). Vertebrata PalAsiatica(古脊椎动物学报). October 1994, 32(4): 231–243. [永久失效链接]
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昭通鱼属
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