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地球学报 1987
LATE TRIASSIC CONODONTS FROM THE UPPERMOST MAILONGGANG FORMATION IN MAILONGGANG VILLAGE OF LHONZHUB COUNTY, XIZANG (TIBET), CHINA
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Abstract:
The conodont fauna described in this paper was collected from the uppermost part of Mailonggang Formation in Mailonggang Village oi Lhunzhub-County, Tibet, China, including 8 genera and 20 species. According to characteristics species of Epigondolella genus, the conodonts fossils could be divided obviously into 4 conodont assemblage zones as follows: Epigondolella multidentata a. zone, E. sp. C. a. zone, E. poster a a. zone, E. bidentata a. zone These conodont assemblage zones belong to the middle and upper Norian.