新種
- Squamophis amamiense (Okanishi & T. Fujita, 2009)
- Asteroporpa muricatopatella Okanishi & T. Fujita, 2011
- Asteroporpa koyoae Okanishi & T. Fujita, 2011
- Astrocharis monospinosa Okanishi & T. Fujita, 2011
- Squamophis albozosteres Okanishi & T. Fujita, 2011
- Astrostegus sabineae Okanishi & T. Fujita, 2014
- Astrocladus socotorata Baker, Okanishi & Pawson, 2018
- Astrocyclus somaliensis Baker, Okanishi & Pawson, 2018
- Astrodendrum goodingi Baker, Okanishi & Pawson, 2018
- Astrodendrum spinulosum Okanishi & T. Fujita, 2018
- Asteronyx reticulata Okanishi, Sentoku, Martynov & T. Fujita, 2018
- Ophioconis claviculata Okanishi & Y. Fujita, 2018
- Ophiolepis cavitata Okanishi & Y. Fujita, 2018
- Ophiozonella cavernalis Okanishi & Y. Fujita, 2018
- Ophiopsila xmasilluminans Okanishi, Oba & Y. Fujita, 2019
- Ophiambix kagutsuchi Okanishi, Kato, Watanabe, Chen & T. Fujita, 2020
- Ophiambix macrodonthaOkanishi, Kato, Watanabe, Chen & T. Fujita, 2020
- Astrochlamys timoharai Okanishi & Mah, 2020
- Ophiosteira lissopatella Okanishi & Mah, 2020
- Ophiophyllum umbonatum Okanishi & Mah, 2020
- Soliophis bakeri Okanishi & Mah, 2020
- Ophiodelos okayoshitakai Okanishi & Kohtsuka, 2021
- Ophiomonas shinseimaruae Okanishi, Matsuo & Fujita, 2021
新属
- Squamophis Okanishi, O’Hara & T. Fujita
- Soliophis Okanishi & Mah, 2020
新亜科
- Astrocloninae Okanishi & T. Fujita, 2018
- Astrothamininae Okanishi & T. Fujita, 2018
新科
- Astrocharidae Okanishi & T. Fujita, 2011
再記載した種・その他
- Astrocharis ijimai Matsumoto, 1911 in Okanishi & T. Fujita, 2011
- Astrocharis virgo Koehler, 1904 in Okanishi & T. Fujita, 2011
- Astrochele pacifica Mortensen, 1933 in Okanishi, Tachikawa & T. Fujita, 2011 (in Japanese)
- Asteromorpha capensis (Mortensen, 1925) in Okanishi, Olbers & T. Fujita, 2013*
- Asteromorpha rousseaui (Michelin, 1862) in Okanishi, Olbers & T. Fujita, 2013*
- Asteromorpha koehleri (Döderlein, 1898) in Okanishi, Olbers & T. Fujita, 2013
- Asteromorpha tenax (Baker, 1980) in Okanishi, Olbers & T. Fujita, 2013
- Astrodia abyssicola (Lyman, 1879) in Okanishi & T. Fujita, 2014*
- Astrodia excavata (Lütken & Mortensen, 1899) in Okanishi & T. Fujita, 2014*
- Astrodia plana (Lütken & Mortensen, 1899) in Okanishi & T. Fujita, 2014*
- Astrodia tenuispina (Verrill, 1884) in Okanishi & T. Fujita, 2014
- Asterostegus tuberculatus Mortensen, 1933 in Okanishi & T. Fujita, 2014
- Asterostegus maini McKnight, 2003 in Okanishi & T. Fujita, 2014*
- Astroceras coniunctum Murakami, 1944 in Okanishi, Moritaki & Fujita, 2014
- Asteroporpa (Astrohelix) ballator (Koehler, 1904) in Okanishi, 2017*
- Asteroporpa (Astrohelix) paucidens (Mortensen, 1933) in Okanishi, 2017*
- Dougaloplus echinatus (Ljungman, 1867) in Okanishi & Y. Fujita, 2018
- Astrodendrum capense (Mortensen, 1933) in Okanishi & T. Fujita, 2018*
- Astrodendrum galapagense A. H. Clark, 1916 in Okanishi & T. Fujita, 2018*
- Astrodendrum sagaminum (Döderleinm 1902) in Okanishi & T. Fujita, 2018*
- Ophiopsila cf. polyacantha H. L. Clark, 1911 in Okanishi & Fujii, 2020
- Astrocladus coniferus (Döderlein, 1902) in Okanishi Kohtsuka & T. Fujta, 2020*
- Astrocladus dofleini Döderlein, 1910 in Okanishi Kohtsuka & T. Fujta, 2020*
- Astrocladus exiguus (Lamarck, 1816) in Okanishi Kohtsuka & T. Fujta, 2020
- Astrocladus annulatus (Matsumoto, 1912) in Okanishi Kohtsuka & T. Fujta, 2020*
- Amphipholis kochii (Lütken, 1872) in Okanishi et al., 2021
- Ophioteichus multispinum in Okanishi et al. 2023
“*”は担名タイプに基づく
発見した化石種
- Gorgonocephalidae gen. sp. in Okanishi, Ishida & Mitsui, 2019
- Ophiosphalmidae gen. sp. in Okanishi et al., 2021
- Ophiuroglypha kinbergi in Okanishi et al., 2021
- Ophiarachnella sp. in Okanishi et al., 2021
- Ophiocomidae gen. sp. in Okanishi et al., 2021
- Ophiopholis sp. in Okanishi et al., 2021
- Ophiothrix sp. in Okanishi et al., 2021
- Ophiozonella longispina in Okanishi et al., 2021
- Stegophiura sladeni (Duncun, 1879) in Okanishi et al., 2021