Masanori Okanishi

Masanori Okanishi, Japanese echinodermologist

Faculty of Science, Biological Sciences Course, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki, Japan

Taxon names authored

(List may be incomplete)

(List may be incomplete)

Okanishi, M., O’Hara, T.D. & Fujita, T. 2011. A new genus Squamophis of Asteroschematidae (Echinodermata, Ophiuroidea, Euryalida) from Australia. ZooKeys 129: 1–15. DOI: 10.3897/zookeys.129.1202 . Reference page.
Okanishi, M., O’Hara, T.D. & Fujita, T. 2011. Molecular phylogeny of the order Euryalida (Echinodermata: Ophiuroidea), based on mitochondrial and nuclear ribosomal genes. Molecular Phylogenetics and Evolution 61(2): 392–399. DOI: 10.1016/j.ympev.2011.07.003 Reference page.

Okanishi, M. & Fujita, T. 2013. Molecular phylogeny based on increased number of species and genes revealed more robust family-level systematics of the order Euryalida (Echinodermata: Ophiuroidea). Molecular Phylogenetics and Evolution 69(3): 566–580. DOI: 10.1016/j.ympev.2013.07.021 Reference page.
Okanishi, M., Olbers, J.M., Fujita, T. 2013. A taxonomic review of the genus Asteromorpha Lütken (Echinodermata: Ophiuroidea: Euryalidae). The Raffles Bulletin of Zoology 61(2): 461–480. ResearchGate Internet Archive Reference page.

Okanishi, M.; Fujita, T. 2014: A taxonomic review of the genus Asterostegus (Echinodermata: Ophiuroidea), with the description of a new species. European journal of taxonomy, (76) DOI: 10.5852/ejt.2014.76 Reference page.
Okanishi, M.; Fujita, T. 2014: A taxonomic review of the genus Asterostegus (Echinodermata: Ophiuroidea), with the description of a new species - Corrigendum. European journal of taxonomy, (84) DOI: 10.5852/ejt.2014.84 Reference page.
Okanishi, M., Fujita, T. 2014. A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae). Journal of the Marine Biological Association of the United Kingdom. 90(2): 133-146. DOI: 10.1017/S0025315413001331 ResearchGate Reference page.

Okanishi, M. 2017. A taxonomic review of the genus Astrohelix Döderlein, 1930 including the synonymy of the subgenus Asteroporpa (Astromoana) Baker, 1980 to Astrohelix. Zootaxa 4227(4): 443–453. DOI: 10.11646/zootaxa.4227.4.4. Reference page.
Okanishi, M., Fujita, T., Maekawa, Y. & Sasaki, T. 2017. Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1–19. DOI: 10.3897/zookeys.663.11413. Reference page.

Baker, A.N., Okanishi, M. & Pawson, D.L. 2018. Euryalid brittle stars from the International Indian Ocean Expedition 1963–64 (Echinodermata: Ophiuroidea: Euryalida). Zootaxa 4392(1): 1–27. DOI: 10.11646/zootaxa.4392.1.1. Full article (PDF) Reference page.
Okanishi, M. & Fujita, Y. 2018. First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida). Zootaxa 4377(1): 1–20. DOI: 10.11646/zootaxa.4377.1.1 Reference page.
Okanishi, M. & Fujita, T. 2018. A taxonomic review of the genus Astrodendrum (Echinodermata, Ophiuroidea, Euryalida, Gorgonocephalidae) with description of a new species from Japan. Zootaxa 4392(2): 289–310. DOI: 10.11646/zootaxa.4392.2.4 Reference page.
Okanishi, M., Sentoku, A., Martynov, A., Fujita, T. 2018. A new cryptic species of Asteronyx Müller and Troschel, 1842 (Echinodermata: Ophiuroidea), based on molecular phylogeny and morphology, from off Pacific Coast of Japan. Zoologischer Anzeiger. 274: 14-33. DOI: 10.1016/j.jcz.2018.03.001 Reference page.

Okanishi, M., Kohtsuka, H., Fujita, T. 2020. A taxonomic review of the genus Astrocladus (Echinodermata, Ophiuroidea, Euryalida, Gorgonocephalidae) from Japanese coastal waters. PeerJ. 8:e9836. DOI: 10.7717/peerj.9836 Reference page.
Okanishi, M., Mah, C. 2020. Overlooked biodiversity from museum collections: four new species and one new genus of Ophiuroidea (Echinodermata) from Antarctica and adjacent regions with notes on multi-armed ophiuroids. Marine Biodiversity. 50(64). DOI: 10.1007/s12526-020-01080-w Reference page.