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来自维基百科,自由的百科全书
蘇紅圖組是位於中國內蒙古阿拉善左旗的白堊紀地層,1980年由寧夏區域地質調查大隊張漢傑等命名。該地層以安山岩、玄武岩為主,間夾灰綠、灰色粉砂岩、粉砂質灰岩、褐紅色砂岩、礫砂岩[1]。年代約為1,17至1,04億年前[2]。出土的恐龍有假鯊齒龍、吉蘭泰龍、戈壁龍、原巴克龍,以及一種未命名的鴨嘴龍形類[3]。
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