- 1、tuataras;extinctformsfrommiddleTriassic.2、TriassicJurassicpetroleumsysteminYanqibasin.3、TheallopatriccoralfossilsarecollectedintheolistostromesoftheUpperTriassicZhuwoFormationinMandi,Zamtang,andtwobiozonesofTriassicbivalvesareestablished.4、TheT...
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