Literature
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- Miyake, S. 1983. Japanese Crustacean Decapods and Stomatopods in color. Vol. II. Brachyura (Crabs), i-viii, 1-277, pls 1-64. Hoikusha, Osaka. (In Japanese; second edition in 1992).
- Muraoka, K. 1998. Catalogue of the Brachyuran and Anomuran Crabs donated by Prof. Dr. Tune Sakai to the Kanagawa Prefectural Museum. Catalogue of the Collection in the Kanagawa Prefectural Museum of Natural History, 11: 5-67, pls 1-16.
- Sakai, T. 1934b. Species of the genus Pinnixa (Pinnotherid crab) found in the Far East. Science Reports of the Tokyo Bunrika Daigaku, (B) 2(29): 37-43, 3 figs.
- Sakai, T. 1936b. Crabs of Japan: 66 plates in life colours with descriptions. Sanseido, Tokyo (1935): 1-239, figs 1-122, 27 pages of bibliography & index, frontispiece (in colour), pls 1-66 (colour). (In Japanese).
- Sakai, T. 1939. Studies on the crabs of Japan. IV. Brachygnatha, Brachyrhyncha, pp. 365-741, figs 1-129, pls 42-111, table 1. Yokendo Co., Tokyo.
- Sakai, T. 1956. Crabs (edition 1), i-xii, 1-224 (Japanese text), appendix 1-60 (list of Latin names), figs 1-71, pls 1-6 (2 coloured). Shisei-Shoin, Tokyo. (In Japanese).
- Sakai, T. 1965b. The Crabs of Sagami Bay, collected by His Majesty the Emperor of Japan, i-xvi, 1-206 (English text), figs 1-27, pls 1-100: 1-92 (Japanese text): 1-26 (references and index in English): 27-32 (index in Japanese), 1 map. Maruzen Co., Tokyo.
- Sakai, T. 1976a. Crabs of Japan and the Adjacent Seas. (In 3 volumes: (1) English text: i-xxix, 1-773, figs 1-379, (2) Plates volume: 1-16, pls 1-251, (3) Japanese text: 1-461, figs 1-2, 3 maps.) Kodansha Ltd, Tokyo.