Kobayashi T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I, Middle Ordovician faunas. Journal of the Faculty of Sciences, Imperial University of Tokyo, section 2. 3(8): 329-519.
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Kobayashi T.
1934
The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I, Middle Ordovician faunas
Journal of the Faculty of Sciences, Imperial University of Tokyo, section 2