Ko Tomikawa

Ko Tomikawa, Japanese carcinologist.

日本語: 富川光

Address (2025):

Graduate School of Humanities and Social Sciences,

Hiroshima University, 1-1-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8524, Japan

Taxon names authored

(List may be incomplete)

(List may be incomplete)

Tomikawa, K. & Sidorov, D.A. 2014. Redescription of Sternomoera moneronensis (Crustacea: Amphipoda: Gammaridea) from Moneron Island, the Russian Far East. Species Diversity 19(1): 35–41. DOI: 10.12782/sd.19.1.035 . Reference page.
Tomikawa, K., Soh, H.Y., Kobayashi, N. & Yamaguchi, A. 2014. Taxonomic relationship between two Gammarus species, G. nipponensis and G. sobaegensis (Amphipoda: Gammaridae), with description of a new species. Zootaxa 3873(5): 451–476. DOI: 10.11646/zootaxa.3873.5.1 Reference page.

Tomikawa, K. 2015. A new species of Jesogammarus from the Iki Island, Japan (Crustacea, Amphipoda, Anisogammaridae). Zookeys 530: 15-36. DOI: 10.3897/zookeys.530.6063 Preview (PDF) Reference page.

Narahara-Nakano, Y., Kakui, K. & Tomikawa, K. 2016. Opisa takafuminakanoi, a new species of Opisidae from Hokkaido, Japan (Crustacea: Amphipoda). Zootaxa 4200(2): 335–339. DOI: 10.11646/zootaxa.4200.2.9 . ResearchGate . Reference page.
Shimomura, M. & Tomikawa, K. 2016. Epimeria abyssalis sp. n. from the Kuril-Kamchatka Trench (Crustacea, Amphipoda, Epimeriidae). ZooKeys 638: 125-142. DOI: 10.3897/zookeys.638.10329. Reference page.
Tomikawa, K., Tanaka, H. & Nakano, T. 2016. A new species of the rare genus Priscomilitaris from the Seto Inland Sea, Japan (Crustacea, Amphipoda, Priscomilitaridae). ZooKeys 607: 25-35. DOI: 10.3897/zookeys.607.9379. Reference page.
Tomikawa, K., Nakano, T., Sato, A., Onodera, Y., Ohtaka, A. 2016. A molecular phylogeny of Pseudocrangonyx from Japan, including a new subterranean species (Crustacea, Amphipoda, Pseudocrangonyctidae). Zoosystematics and Evolution. 92(2): 187-202. DOI: 10.3897/zse.92.10176 Reference page.

Matsukami, S., Nakano, T. & Tomikawa, K. 2017. A new species of the genus Nicippe from Japan (Crustacea, Amphipoda, Pardaliscidae). ZooKeys 668: 33—47. DOI: 10.3897/zookeys.668.12181. Reference page.
Tomikawa, K., Nakano, T. & Hanzawa, N. 2017. Two new species of Jesogammarus from Japan (Crustacea, Amphipoda, Anisogammaridae), with comments on the validity of the subgenera Jesogammarus and Annanogammarus. Zoosystematics and Evolution 93(2): 189-210. DOI: 10.3897/zse.93.12125. Reference page.

Lee, C-W., Tomikawa, K., Nakano, T. & Min, G-S. 2018. A new species of the genus Pseudocrangonyx (Crustacea, Amphipoda, Pseudocrangonyctidae) from Korea. ZooKeys 735: 27–44. DOI: 10.3897/zookeys.735.21697. Reference page.
Nakano, T., Tomikawa, K. & Grygier, M.J. 2018. Rediscovered syntypes of Procrangonyx japonicus, with nomenclatural consideration of some crangonyctoidean subterranean amphipods (Crustacea: Amphipoda: Allocrangonyctidae, Niphargidae, Pseudocrangonyctidae). Zootaxa 4532(1): 86–94. DOI: 10.11646/zootaxa.4532.1.4 Reference page.
Tomikawa, K., Hirashima, K., Hirai, A. & Uchiyama, R. 2018. A new species of Melita from Japan (Crustacea, Amphipoda, Melitidae). ZooKeys 760: 73–88. DOI: 10.3897/zookeys.760.24778 Reference page.

Nakamura, Y., Nakano, T., Ota, Y. & Tomikawa, K. 2019. A new species of the genus Elasmopus from Miyako Island, Japan (Crustacea: Amphipoda: Maeridae). Zootaxa 4544(3): 395–405. DOI: 10.11646/zootaxa.4544.3.5 Reference page.

Ariyama, H., Kodama, M. & Tomikawa, K. 2020. Species of the Maera-clade collected from Japan. Part 4: addenda to genera Maera Leach, 1814 and Quadrimaera Krapp-Schickel & Ruffo, 2000, with revised keys to Japanese species of the clade (Crustacea: Amphipoda: Maeridae). Zootaxa 4885(3): 336–352. DOI: 10.11646/zootaxa.4885.3.2 Reference page.
Lee, C-W., Tomikawa, K. & Min, G-S. 2020. A new cave amphipod, Pseudocrangonyx wonkimi sp. nov. (Crustacea, Amphipoda, Pseudocrangonyctidae), from the Korean Peninsula. ZooKeys, 960: 1–15. DOI: 10.3897/zookeys.960.53564 Reference page.
Lee, C-W., Tomikawa, K., Nakano, T. & Min, G-S. 2020. A new species of the genus Pseudocrangonyx (Crustacea: Amphipoda: Pseudocrangonyctidae) from Simbok Cave, Korea. Zootaxa 4731(3): 321–334. DOI: 10.11646/zootaxa.4731.3.2 Reference page.
Okazaki, M., Ohtsuka, S. & Tomikawa, K. 2020. A new species of the genus Rhachotropis from off Amamioshima Island, northwestern Pacific (Crustacea: Amphipoda: Eusiridae). Zootaxa 4750(2): 182–190. DOI: 10.11646/zootaxa.4750.2.{{{6}}} Reference page.
Tomikawa, K., Kakui, K. & Fujiwara, Y. 2020. A new species of Nicippe from the Bering Sea (Crustacea, Amphipoda, Pardaliscidae), with a redescription of N. tumida. ZooKeys, 965: 37–53. DOI: 10.3897/zookeys.965.51749 Reference page.

Tomikawa, K. & Kimura, N. 2021. On the brink of extinction: a new freshwater amphipod Jesogammarus acalceolus (Anisogammaridae) from Japan. ZooKeys 1065ː 81–100. DOI: 10.3897/zookeys.1065.71687 Reference page.
Tomikawa, K., Watanabe, H.K., Tanaka, K. & Ohara, Y. 2021. A new species of Princaxelia from Shinkai Seep Field, Mariana Trench (Crustacea, Amphipoda, Pardaliscidae). ZooKeys 1015: 115–127. DOI: 10.3897/zookeys.1015.59683 Reference page.

Arai, T., Ohno, Y. & Tomikawa, K. 2022. A new species of the genus Podocerus from the Seto Inland Sea, Japan (Crustacea, Amphipoda, Podoceridae). Zookeys 1128ː 99–109. DOI: 10.3897/zookeys.1128.91155 Reference page.
Shintani, A., Lee, C-H., Tomikawa, K. 2022. Two new species add to the diversity of Eoniphargus in subterranean waters of Japan, with molecular phylogeny of the family Mesogammaridae (Crustacea, Amphipoda). Subterranean Biology. 44: 21–50. DOI: 10.3897/subtbiol.44.86914 Reference page.

Tomikawa, K., Yamato, S. & Ariyama, H. 2024. Melita panda, a new species of Melitidae (Crustacea, Amphipoda) from Japan. ZooKeys 1212: 267–283. DOI: 10.3897/zookeys.1212.128858 Reference page.
Nagasawa, K., Uchiyama, R., Tomikawa, K. 2024. Argulus coregoni (Crustacea: Branchiura: Argulidae) Parasitic on a Dark Chub Nipponocypris temminckii (Cypriniformes: Xenocyprididae) in a Stream, Central Japan, with a List of Its Known Hosts in East Asia. Species Diversity. 29(2): 181–197. DOI: 10.12782/specdiv.29.181 . Reference page.

Yoshimura, H., Lee, C-W. & Tomikawa, K. 2025. Taxonomy of the genus Elasmopus (Crustacea, Amphipoda) in Japan and South Korea, with description of a new species. ZooKeys 1261: 307–335. DOI: 10.3897/zookeys.1261.162923 Reference page.