Studies demonstrate that the Chouniukou Formation of the Qilian Mountains represents a lithostratigraphical unit across ......

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宁夏中卫、中宁地区纳缪尔期动物群以游移的软体动物为主,伴以底栖固着的珊瑚、苔藓动物、腕足类和棘皮动物;个体小;具有以食肉或......

记述了产于宁夏中卫县石炭纪纳缪尔期地层的古鳕类化石一新属新种-潘氏黄河鳕(Huanghelepis pani gen.et sp.nov.).新属种的个体中......