140.09833, 36.22639: 10 Treatments

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Eosentomon simulans   sp. nov.  Nakamura, Osami, 2010, Taxonomic revision of the family Eosentomidae (Hexapoda: Protura) from Japan 2701, Zootaxa 2701, pp. 1-109: 86-90 86-90
Hymenoptera     Mitroiu, Mircea-Dan, 2019, Revision of Netomocera Bouček (Hymenoptera: Chalcidoidea: Pteromalidae), excluding the Oriental species, European Journal of Taxonomy 568, pp. 1-87: 64-68 64-68
Decapoda   n. sp.  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
Eupines crinita   sp. nov.  Li, Qi-Qi, Nomura, Shûhei, Cai, Bo & Yin, Zi-Wei, 2021, A new species and a new record of Eupines King from China and Japan (Coleoptera Staphylinidae, Pselaphinae), Zootaxa 4975 (3), pp. 574-580: 575-577 575-577
Pilophorus satoyamanus   n. sp.  Yasunaga, Tomohide, Duwal, Ram Keshari & Nakatani, Yukinobu, 2021, Reclassification of the plant bug genus Pilophorus in Japan and key to the genera and species of Japanese Pilophorini (Hemiptera: Heteroptera: Miridae Phylinae), Zootaxa 4942 (1), pp. 1-40: 23-25 23-25
Mesostigmata   sp. nov.  Negm, Mohamed W. & Gotoh, Tetsuo, 2018, Mites of the family Parasitidae Oudemans, 1901 (Acari: Mesostigmata) from Japan: a new species of Vulgarogamasus Tichomirov, 1969, and a key to Japanese species, Zootaxa 4429 (2), pp. 379-389: 380-384 380-384
Solenysa akihisai   SP. NOV.  Tu, Lihong & Hormiga, Gustavo, 2011, Phylogenetic analysis and revision of the linyphiid spider genus Solenysa (Araneae: Linyphiidae: Erigoninae), Zoological Journal of the Linnean Society 161 (3), pp. 484-530: 499-501 499-501
Dactylogyrus petruschewskyi     Nitta, Masato, Ishikawa, Takanori & Hagiwara, Tomiji, 2020, Redescription of Dactylogyrus petruschewskyi Gussev, 1955 (Monogenea: Dactylogyridae), a Newly Recorded Alien Monogenean from an Alien Cyprinid, Megalobrama amblycephala Yih, 1955 (Cypriniformes: Cyprinidae), in Ibaraki Prefecture, Central Japan, Species Diversity 25, pp. 349-354: 350-352 350-352
Dorylaimida   sp. n.  Ahmad, Wasim & Ahad, Sumaya, 2018, Description of two new and two known species of the Genus Tylencholaimellus Cobb in M. V. Cobb, 1915 (Nematoda: Dorylaimida: Tylencholaimoidea), Zootaxa 4375 (3), pp. 301-324: 313-323 313-323
Aulodrilus dentosus   sp. nov.  Ohtaka, Akifumi, 2021, Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata Tubificinae) with descriptions of two new species, Zootaxa 4952 (1), pp. 1-32: 13-16 13-16