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List of works by Masanori Okanishi

A New Record of Brittle Star Ophiopsila cf. polyacantha (Echinodermata: Ophiuroidea) from Southwestern Japan, with Notes on its Bioluminescence ⬇️

scientific article published on 28 October 2020

A New Species of Asteroschema (Echinodermata: Ophiuroidea: Asteroschematidae) from Southwestern Japan ⬇️

A comprehensive taxonomic list of brittle stars (Echinodermata: Ophiuroidea) from submarine caves of the Ryukyu Islands, southwestern Japan, with a description of a rare species, Dougaloplus echinatus (Amphiuridae)

scientific article published on 25 March 2019

A new cryptic species of Asteronyx Müller and Troschel, 1842 (Echinodermata: Ophiuroidea), based on molecular phylogeny and morphology, from off Pacific Coast of Japan

scientific article published in May 2018

A new genus Squamophis of Asteroschematidae (Echinodermata, Ophiuroidea, Euryalida) from Australia ⬇️

scientific article

A new species of Ophioconis (Echinodermata: Ophiuroidea) from Ryukyu Islands, southwestern Japan

scholarly article in Proceedings of the Biological Society of Washington, vol. 131 no. 1, June 2018

A new species of the genus Ophiomonas Djakonov (Echinodermata: Ophiuroidea: Amphilepididae) from the deep-sea of Japan ⬇️

scholarly article

A taxonomic review of the genus Asteromorpha Lütken (Echinodermata: Ophiuroidea: Euryalidae) ⬇️

scientific article published in 2013

A taxonomic review of the genus Asterostegus (Echinodermata: Ophiuroidea), with the description of a new species

scientific article published on 6 March 2014

A taxonomic review of the genus Asterostegus (Echinodermata: Ophiuroidea), with the description of a new species – Corrigendum

scientific article published on 23 May 2014

A taxonomic review of the genus Astrocharis Koehler (Echinodermata: Ophiuroidea: Asteroschematidae), with a description of a new species

scientific article

A taxonomic review of the genus Astrocladus (Echinodermata, Ophiuroidea, Euryalida, Gorgonocephalidae) from Japanese coastal waters

scientific article published on 07 October 2020

A taxonomic review of the genus Astrodendrum (Echinodermata, Ophiuroidea, Euryalida, Gorgonocephalidae) with description of a new species from Japan

scientific article

A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae)

scientific article published on 7 November 2013

A taxonomic review of the genus Astrohelix Döderlein, 1930 including the synonymy of the subgenus Asteroporpa (Astromoana) Baker, 1980 to Astrohelix

scientific article (publication date: 6 February 2017)

Brittle stars from a submarine cave of Christmas Island, northwestern Australia, with description of a new bioluminescent species Ophiopsila xmasilluminans (Echinodermata: Ophiuroidea) and notes on its behaviour ⬇️

scholarly article

Description of a New Brooding Species of Ophiodelos (Echinodermata: Ophiuroidea) from Japan

scholarly article published in 2021

Euryalid brittle stars from the International Indian Ocean Expedition 1963–64 (Echinodermata: Ophiuroidea: Euryalida)

scientific article

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)

scientific article

Fossil Gorgonocephalid Basket Stars (Echinodermata: Ophiuroidea: Euryalida) from the Middle Pleistocene of Japan; the First Record from the Indo-Pacific Region

scientific article published on 2 July 2019

Fossil Lateral Arm Plates of Stegophiura sladeni (Echinodermata: Ophiuroidea: Ophiurida) from the Middle Pleistocene of Japan

scientific article published in April 2022

JAMBIO Coastal Organism Joint Surveys reveals undiscovered biodiversity around Sagami Bay

Large populations of two new species of Ophiambix (Echinodermata, Ophiuroidea) discovered on Japanese hot vents and cold seeps

scholarly article

Marine benthic community in Shirahama, southwestern Kii Peninsula, central Japan ⬇️

scientific article published in December 2016

Molecular phylogeny based on increased number of species and genes revealed more robust family-level systematics of the order Euryalida (Echinodermata: Ophiuroidea)

article

Molecular phylogeny of the order Euryalida (Echinodermata: Ophiuroidea), based on mitochondrial and nuclear ribosomal genes

scientific article published on 21 July 2011

Morphogenesis and histogenesis during the arm regeneration in a basket star Astrocladus dofleini (Euryalida, Ophiuroidea, Echinodermata)

scientific article published on 07 November 2020

Morphological changes associated with the growth of feather star Clarkcomanthus exilis (Echinodermata, Crinoidea)

scholarly article

Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida)

scientific article

Ophiuroidea (Echinodermata): Systematics and Japanese Fauna

Ophiuroids (Echinodermata) of Genus Ophiura Collected from Deep Waters off Pacific Coast of Northern Japan ⬇️

scholarly article

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 ⬇️

scientific article published on 6 August 2020

Overlooked biodiversity of brittle stars from the Upper Pleistocene of Japan: descriptions of fossil ossicle assemblage in Indo-West Pacific

scientific article published in 2021

Redescription of Amphipholis kochii (Echinodermata: Ophiuroidea: Ophintegrida) collected from Sagami Bay, including ossicle morphology and COI sequence ⬇️

scholarly article

Redescription of an Euryalid Brittle Star, Astroceras coniunctum (Echinodermata, Ophiuroidea, Euryalida) ⬇️

scientific article published in September 2014

Species-specific nitrogen resorption proficiency in legumes and nonlegumes

scientific article published on 04 July 2020

Taxonomy and distribution of deep benthos collected in and around the Southern Ocean during the 30th Anniversary expeditions of R/V Hakuho Maru: Annelida, Mollusca, Ostracoda, Decapoda, and Echinodermata

scientific article published on 26 April 2022

The First Record of Ophioteichus multispinum (Echinodermata: Ophiuroidea) from Japan, with Notes on Its Ossicle Description and Ecology

The widely occurring brittlestar Ophiactis savignyi (Amphilepidida: Ophiactidae) as an epibiont on loggerhead sea turtle, Caretta caretta

scientific article published on 12 November 2019

Two new species of the subgenus Asteroporpa (Asteromoana) (Ophiuroidea: Euryalida: Gorgonocephalidae) from Japan ⬇️

scientific article published on 28 January 2011

Development of two new sets of PCR primers for eDNA metabarcoding of brittle stars (Echinodermata, Ophiuroidea)

scientific article published in 2023

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