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Silén, L. (1941). Cheilostomata Anasca (Bryozoa) collected by Prof. Dr. Sixten Bock's expedition to Japan and the Bonin Islands 1914. Arkiv för zoologi. 33A: 1-130.
Silén, L. (1941). Cheilostomata Anasca (Bryozoa) collected by Prof. Dr. Sixten Bock's expedition to Japan and the Bonin Islands 1914. Arkiv för zoologi. 33A: 1-130.