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Our knowledge on the marine Triassic in China is still very incomplete. It was dated back only a little more than a decade. Owing to scarcity of fossils, the recognition and the subdivisions of the Triassic formations become exceedingly difficult. During the last few years Mr. Te-you Hsu’ has done much work on
It is dated back only a little more than a decade. Owing to scarcity of fossils, the recognition and the subdivisions of the Triassic formations become exceedingly difficult. During the last few years Mr Te-you Hsu ’has done much work on