| Molecular phylogeny based on increased number of species and genes revealed more robust family-level systematics of the order Euryalida (Echinodermata: Ophiuroidea) M Okanishi, T Fujita Molecular Phylogenetics and Evolution 69 (3), 566-580, 2013 | 55 | 2013 |
| Molecular phylogeny of the order Euryalida (Echinodermata: Ophiuroidea), based on mitochondrial and nuclear ribosomal genes M Okanishi, TD O’Hara, T Fujita Molecular phylogenetics and evolution 61 (2), 392-399, 2011 | 40 | 2011 |
| A new species of Asteroschema (Echinodermata: Ophiuroidea: Asteroschematidae) from southwestern Japan M Okanishi, T Fujita Species Diversity 14 (2), 115-129, 2009 | 28 | 2009 |
| Ophiuroidea (Echinodermata): systematics and Japanese fauna M Okanishi Species diversity of animals in Japan, 651-678, 2016 | 26 | 2016 |
| A new cryptic species of Asteronyx Müller and Troschel, 1842 (Echinodermata: Ophiuroidea), based on molecular phylogeny and morphology, from off Pacific Coast of Japan M Okanishi, A Sentoku, A Martynov, T Fujita Zoologischer Anzeiger 274, 14-33, 2018 | 23 | 2018 |
| A taxonomic review of the genus Astrocharis Koehler (Echinodermata: Ophiuroidea: Asteroschematidae), with a description of a new species M Okanishi, T Fujita Zoological Science 28 (2), 148-157, 2011 | 23 | 2011 |
| Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida) M Okanishi, T Fujita, Y Maekawa, T Sasaki ZooKeys, 1, 2017 | 22 | 2017 |
| First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata … M Okanishi, Y Fujita Zootaxa 4377 (1), 1-20, 2018 | 21 | 2018 |
| Molecular Phylogeny of the Genus Nipponnemertes (Nemertea: Monostilifera: Cratenemertidae) and Descriptions of 10 New Species, With Notes on Small Body … N Hookabe, H Kajihara, AV Chernyshev, N Jimi, N Hasegawa, ... Frontiers in Marine Science 9, 906383, 2022 | 18 | 2022 |
| JAMBIO coastal organism joint surveys reveals undiscovered biodiversity around Sagami Bay H Nakano, K Kakui, H Kajihara, M Shimomura, N Jimi, S Tomioka, ... Regional Studies in Marine Science 2, 77-81, 2015 | 17 | 2015 |
| Euryalid brittle stars from the International Indian Ocean Expedition 1963–64 (Echinodermata: Ophiuroidea: Euryalida) AN Baker, M Okanishi, DL Pawson Zootaxa 4392 (1), 1–27-1–27, 2018 | 16 | 2018 |
| Marine benthic community in Shirahama, southwestern Kii Peninsula, central Japan M OKANISHI, A SENTOKU, S FUJIMOTO, N JIMI, RYO NAKAYAMA, ... Publications of the Seto Marine Biological Laboratory 44, 7-52, 2016 | 16 | 2016 |
| Two new species of the subgenus Asteroporpa (Asteromoana)(Ophiuroidea: Euryalida: Gorgonocephalidae) from Japan M Okanishi, T Fujita Zootaxa 2751 (25-39), 16, 2011 | 15 | 2011 |
| A new species of Ophioconis (Echinodermata: Ophiuroidea) from Ryukyu Islands, southwestern Japan M Okanishi, Y Fujita Proceedings of the Biological Society of Washington 131 (1), 163-174, 2018 | 14 | 2018 |
| A comprehensive taxonomic list of brittle stars (Echinodermata: Ophiuroidea) from submarine caves of the Ryukyu Islands, southwestern Japan, with a description of a rare … M Okanishi, Y Fujita Zootaxa 4571 (1), 73–98-73–98, 2019 | 12 | 2019 |
| A taxonomic review of the genus Astrodendrum (Echinodermata, Ophiuroidea, Euryalida, Gorgonocephalidae) with description of a new species from Japan. M Okanishi, T Fujita Zootaxa 4392 (2), 289-310, 2018 | 12 | 2018 |
| A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae) M Okanishi, T Fujita Journal of the Marine Biological Association of the United Kingdom 94 (1 …, 2014 | 12 | 2014 |
| A taxonomic review of the genus Asteromorpha Lütken (Echinodermata: Ophiuroidea: Euryalidae). M Okanishi, JM Olbers, T Fujita Raffles Bulletin of Zoology 61 (2), 2013 | 12 | 2013 |
| A new genus Squamophis of Asteroschematidae (Echinodermata, Ophiuroidea, Euryalida) from Australia M Okanishi, T D O’Hara, T Fujita ZooKeys, 1, 2011 | 12 | 2011 |
| Species-specific nitrogen resorption proficiency in legumes and nonlegumes S Oikawa, Y Matsui, M Oguro, M Okanishi, R Tanabe, T Tanaka, ... Journal of plant research 133 (5), 639-648, 2020 | 11 | 2020 |