A reexamination of adults and larval stages of Diogenes nitidimanus (Crustacea: Decapoda: Anomura: Diogenidae)
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
Families Anarthruridae Lang, 1971, Colletteidae Larsen & Wilson, 2002, and Leptognathiidae Sieg, 1976*
The Xiphydria annulitibia group in northeastern Asia (Hymenoptera, Xiphydriidae)
Two new species of Silba (Diptera; Lonchaeidae) from Japan with unusual larval development sites
New species and occurrence records of Japanese Solasteridae and Ganeriidae including a new species of Paralophaster from the North Pacific with an overview of Hyalinothrix
Contribution to the knowledge of the genus Cordilura Fallén (Diptera, Scathophagidae) from Japan, with descriptions of three new species
Species of the Maera-clade collected from Japan. Part 3: genera Maera Leach, 1814, Meximaera Barnard, 1969 and Orientomaera Ariyama, 2018 (addendum), with a key to Japanese species of the clade (Crustacea: Amphipoda: Maeridae)
New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
A new genus of Stigmaeidae (Acari: Prostigmata) from Okinawa Island
Eriocheir ogasawaraensis Komai, a new species of mitten crab (Crustacea: Decapoda: Brachyura: Varunidae) from the Ogasawara Islands, Japan, with notes on the systematics of Eriocheir De Haan, 1835
Pediobius sasae (Hymenoptera: Eulophidae), a new species from galls on dwarf bamboo (Sasa nipponica) in Japan
Three new species and six new records of Scathophagidae (Diptera) from Japan, with a key to the Japanese genera
A new species and a new record of Eupines King from China and Japan (Coleoptera, Staphylinidae, Pselaphinae)
World revision of Iteaphila with unbranched radial vein (Diptera: Empidoidea: Iteaphilidae)
Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata, Tubificinae) with descriptions of two new species
Two new species of snailfishes of the genus Careproctus (Cottoidei: Liparidae) from the western North Pacific Ocean with a range extension of Careproctus brevipectoralis
Two new species of Cephennomicrus in the Ryūkyū Archipelago (Coleoptera, Staphylinidae, Scydmaeninae)
Three new goatfishes of the genus Upeneus from the Eastern Indian Ocean and Western Pacific, with an updated taxonomic account for U. itoui (Mullidae: japonicus-species group)
A new species of Leptoplectus Casey from Ryukyu Islands, Japan, with comments on morphology of integumental structures in Euplectitae (Coleoptera, Staphylinidae, Pselaphinae)
