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Ko Tomikawa
Hiroshima University
Higashi-Hiroshima, Japan
3 articles by this author
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Research Article
A new freshwater species of Gnorimosphaeroma (Crustacea, Isopoda, Sphaeromatidae) from Chichi-jima Island, Ogasawara Islands, Japan
Ko Tomikawa,     Junpei Yoshii, Akari Noda,     Chi-Woo Lee, Tetsuro Sasaki, Naoya Kimura,     Noboru Nunomura
10.3897/zse.99.108032
 21-11-2023
 Unique: 2742 | Total: 3734  | Access Period:
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 545-556
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Research Article
Two new species of Jesogammarus from Japan (Crustacea, Amphipoda, Anisogammaridae), with comments on the validity of the subgenera Jesogammarus and Annanogammarus
Ko Tomikawa,     Takafumi Nakano, Naoto Hanzawa
10.3897/zse.93.12125
 17-03-2017
 Unique: 4389 | Total: 7563  | Access Period:
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 189-210
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Research Article
A molecular phylogeny of Pseudocrangonyx from Japan, including a new subterranean species (Crustacea, Amphipoda, Pseudocrangonyctidae)
Ko Tomikawa,     Takafumi Nakano, Anna Sato, Yutaka Onodera, Akifumi Ohtaka
10.3897/zse.92.10176
 14-10-2016
 Unique: 4802 | Total: 8942  | Access Period:
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 187-202
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