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Enlightment of fish coprolites characteristics on lake ecosystem in Early Jurassic Toarcian: taking the Da’anzhai Member in northeast Sichuan Basin as an example

Zhou Xiao-Mei¹, Jin Xin^1,², Wu Qiang-Wang¹, Ge Yu¹, Shi Zhi-Qiang^1,²

四川盆地下侏罗统自流井组大安寨段沉积相(修改自陈超等,2020 )