Yabe, H.; Sugiyama, T. (1931). Note on a new Hydrozoa Sphaerostromella shikokuensis, gn. et sp. nov., from the Upper Paleozoic Limestone of Shikoku, Japan. Japanese Journal of Geology and Geography. 8(3): 123-124.
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Yabe, H.; Sugiyama, T.
1931
Note on a new Hydrozoa Sphaerostromella shikokuensis, gn. et sp. nov., from the Upper Paleozoic Limestone of Shikoku, Japan