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Ko Tomikawa
Hiroshima University
Higashi-Hiroshima, Japan
11 articles by this author
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Research Article
A new species of the genus Podocerus from the Seto Inland Sea, Japan (Crustacea, Amphipoda, Podoceridae)
Takanobu Arai, Yujiro Ohno, Ko Tomikawa
10.3897/zookeys.1128.91155
 08-11-2022
 Unique: 1192 | Total: 1504  | Access Period:
 Reprint: € 6,00
 99-109
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Research Article
On the brink of extinction: a new freshwater amphipod Jesogammarus acalceolus (Anisogammaridae) from Japan
Ko Tomikawa, Naoya Kimura
10.3897/zookeys.1065.71687
 26-10-2021
 Unique: 1617 | Total: 2346  | Access Period:
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 81-100
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Research Article
A new species of Princaxelia from Shinkai Seep Field, Mariana Trench (Crustacea, Amphipoda, Pardaliscidae)
Ko Tomikawa, Hiromi Kayama Watanabe, Katsuhiko Tanaka, Yasuhiko Ohara
10.3897/zookeys.1015.59683
 04-02-2021
 Unique: 2749 | Total: 6063  | Access Period:
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 115-127
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Research Article
A new species of Nicippe from the Bering Sea (Crustacea, Amphipoda, Pardaliscidae), with a redescription of N. tumida
Ko Tomikawa, Keiichi Kakui,     Yoshihiro Fujiwara
10.3897/zookeys.965.51749
 03-09-2020
 Unique: 1996 | Total: 2921  | Access Period:
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 37-53
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Research Article
A new cave amphipod, Pseudocrangonyx wonkimi sp. nov. (Crustacea, Amphipoda, Pseudocrangonyctidae), from the Korean Peninsula
Chi-Woo Lee, Ko Tomikawa, Gi-Sik Min
10.3897/zookeys.960.53564
 17-08-2020
 Unique: 1985 | Total: 2809  | Access Period:
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 1-15
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Research Article
A new species of Melita from Japan (Crustacea, Amphipoda, Melitidae)
Ko Tomikawa, Kentaro Hirashima, Atsushi Hirai, Ryu Uchiyama
10.3897/zookeys.760.24778
 28-05-2018
 Unique: 3096 | Total: 4726  | Access Period:
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 73-88
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Research Article
A new species of the genus Pseudocrangonyx (Crustacea, Amphipoda, Pseudocrangonyctidae) from Korea
Chi-Woo Lee, Ko Tomikawa,     Takafumi Nakano, Gi-Sik Min
10.3897/zookeys.735.21697
 06-02-2018
 Unique: 3280 | Total: 5330  | Access Period:
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 27-44
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Research Article
A new species of the genus Nicippe from Japan (Crustacea, Amphipoda, Pardaliscidae)
Sachi Matsukami,     Takafumi Nakano, Ko Tomikawa
10.3897/zookeys.668.12181
 12-04-2017
 Unique: 3603 | Total: 7203  | Access Period:
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 33-47
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Research Article
Epimeria abyssalis sp. n. from the Kuril-Kamchatka Trench (Crustacea, Amphipoda, Epimeriidae)
Michitaka Shimomura, Ko Tomikawa
10.3897/zookeys.638.10329
 08-12-2016
 Unique: 3146 | Total: 5143  | Access Period:
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 125-142
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Research Article
A new species of the rare genus Priscomilitaris from the Seto Inland Sea, Japan (Crustacea, Amphipoda, Priscomilitaridae)
Ko Tomikawa, Hayato Tanaka,     Takafumi Nakano
10.3897/zookeys.607.9379
 25-07-2016
 Unique: 3155 | Total: 5156  | Access Period:
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 25-35
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Research Article
A new species of Jesogammarus from the Iki Island, Japan (Crustacea, Amphipoda, Anisogammaridae)
Ko Tomikawa
10.3897/zookeys.530.6063
 28-10-2015
 Unique: 3490 | Total: 5429  | Access Period:
 Reprint: € 9,00
 15-36
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