Yu, W. (1983). The sequence and distribution of late Cretaceous and early Tertiary gastropod assemblages in China. Bulletin of Nanjing Institute of Geology and Palaeontology, Academia Sinica. 6: 321-353.
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Yu, W.
1983
The sequence and distribution of late Cretaceous and early Tertiary gastropod assemblages in China
Bulletin of Nanjing Institute of Geology and Palaeontology, Academia Sinica