141.46933, 38.73134: 10 Treatments

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Palaemon septemtrionalis   sp. nov.  Katogi, Yuichi, Chiba, Susumu, Yokoyama, Katsuhide, Hatakeyama, Makoto, Shirai, Shigeru & Komai, Tomoyuki, 2019, A new freshwater shrimp species of the genus Palaemon Weber, 1795 (Decapoda: Caridea: Palaemonidae) from northeastern Japan, Zootaxa 4576 (2), pp. 239-256 : 242-250 242-250
Grandidierella sanrikuensis   sp. nov.  Ariyama, Hiroyuki & Taru, Masanori, 2017, Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species, Species Diversity 22, pp. 187-200 : 188-193 188-193
Ernogrammus zhirmunskii     Yamanaka, Tomoyuki, Abe, Takuzo & Yabe, Mamoru, 2012, First Record of Ernogrammus zhirmunskii (Actinopterygii: Cottiformes: Stichaeidae) from Japan, with a Description and a Revised Diagnosis, Species Diversity 17 (2), pp. 127-133 : 127-132 127-132
Limnoria nagatai     Yoshino, Hiroki & Ohsawa, Takeshi A., 2019, Description of new species of algal-boring Limnoria (Crustacea, Isopoda, Limnoriidae) from Japan and redescription of Limnoria segnoides Menzies, 1957 and L. nagatai Nunomura, 2012, Zootaxa 4550 (2), pp. 236-250 : 244-249 244-249
Physatocheila nigrintegerrima   sp. nov.  Souma, Jun, 2019, Physatocheila nigrintegerrima sp. nov. from Japan: a first fruit-feeder of the genus (Hemiptera: Heteroptera: Tingidae), Zootaxa 4638 (2), pp. 264-272 : 265-270 265-270
Lophogaster japonicus     Mizutani, Yoshiaki, Yanagisawa, Satoshi, Ichikawa, Mizuki, Nishio, Keisuke, Sakai, Hiroya, Nonokawa, Daishi, Makino, Yuichiro, Suzuki, Hitomi, Ichimiya, Hitoshi, Uchida, Yasuhiro, Watanabe, Junji, Kanashiro, Masaaki, Iwawaki, Tomoya, Kondo, Shun, Shibata, Rei, Inden, Yasuya & Murohara, Toyoaki, 2025, Species of the Lophogastrid Genera Lophogaster M. Sars, 1857 and Paralophogaster Hansen, 1910 (Crustacea: Lophogastrida: Lophogastridae) Collected from the West Pacific and Eastern Indian Oceans, Bulletin of the National Museum of Nature and Science. Series A, Zoology (Optometrists) 51 (2), pp. 31-49 : 34-36 34-36
Dulichia biarticulata     Ariyama, Hiroyuki, 2019, Four Species of Dulichiidae (Crustacea: Amphipoda) from Japan, with the Description of a New Genus and Two New Species, Species Diversity 24 (1), pp. 29-48 : 31-32 31-32
Argulus mongolianus     Nagasawa, Kazuya, Asayama, Takato & Fujimoto, Yasufumi, 2022, Redescription of Argulus mongolianus (Crustacea: Branchiura: Argulidae), an Ectoparasite of Freshwater Fishes in East Asia, with Its First Record from Japan, Species Diversity 27 (1), pp. 167-179 : 168-175 168-175
Pterostichus (Nialoe) kitakamisanus     Sasakawa, Koji & Mitsuduka, Yoshiji, 2023, A morphology-based revision and phylogenetic analysis of the Pterostichus macrogenys species group (Coleoptera, Carabidae) and implications for differentiation of the species group, Deutsche Entomologische Zeitschrift 70 (2), pp. 291-310 : 291 291
Oncorhynchus keta     Miyazaki, Yusuke, Nakae, Masanori & Senou, Hiroshi, 2014, Ichthyofauna of the Kubo, Tochikura, and Ichinono river systems (Kitakami River drainage, northern Japan), with a comparison of predicted and surveyed species richness, Biodiversity Data Journal 2, pp. 1093-1093 : 1093 1093