Opinions from H. Matsumoto 1915
- 'Amphiophiura belongs to Ophiomastinae'
- 'Amphioplus belongs to Amphiurinae'
- 'Amphiura belongs to Amphiurinae'
- 'Amphiuridae belongs to Gnathophiurida'
- 'Amphiurinae belongs to Amphiuridae'
- 'Asteronychinae belongs to Trichasteridae'
- 'Asteronyx belongs to Asteronychinae'
- 'Astrodendrum belongs to Gorgonocephalinae'
- 'Astrophyton [misspelled as Astrophytum] belongs to Gorgonocephalinae'
- 'Chilophiurida belongs to Myophiuroida'
- 'Gnathophiurida belongs to Myophiuroida'
- 'Gorgonocephalidae belongs to Phrynophiurida'
- 'Gorgonocephalinae belongs to Gorgonocephalidae'
- 'Hemieuryale belongs to Hemieuryalinae'
- 'Hemieuryalidae belongs to Laemophiurida'
- 'Hemieuryalinae belongs to Hemieuryalidae'
- 'Laemophiurida belongs to Myophiuroida'
- 'Myophiuroida belongs to Ophiuroidea'
- 'Oegophiuridea belongs to Ophiuroidea'
- 'Oegophiuroida belongs to Ophiuroidea'
- 'Ophiacantha belongs to Ophiacanthidae'
- 'Ophiacanthidae belongs to Laemophiurida'
- 'Ophiactininae belongs to Amphiuridae'
- 'Ophiactis belongs to Ophiactininae'
- 'Ophiarachna belongs to Ophiarachninae'
- 'Ophiarachninae belongs to Ophiodermatidae'
- 'Ophiobyrsinae belongs to Ophiomyxidae'
- 'Ophiochiton belongs to Ophiochitoninae'
- 'Ophiochitonidae belongs to Chilophiurida'
- 'Ophiochitoninae belongs to Ophiochitonidae'
- 'Ophiocoma belongs to Ophiocominae'
- 'Ophiocomidae belongs to Chilophiurida'
- 'Ophiocominae belongs to Ophiocomidae'
- 'Ophiocten belongs to Ophiomastinae'
- 'Ophioderma belongs to Ophiodermatinae'
- 'Ophiodermatidae belongs to Chilophiurida'
- 'Ophiodermatinae belongs to Ophiodermatidae'
- 'Ophiolepidinae was reranked as the family Ophiolepididae and belongs to Chilophiurida'
- 'Ophiolepis belongs to Ophiolepidinae'
- 'Ophioleucidae belongs to Chilophiurida'
- 'Ophiomastinae belongs to Ophiolepididae'
- 'Ophiomusium belongs to Ophiolepidinae'
- 'Ophiomyxa belongs to Ophiomyxinae'
- 'Ophiomyxidae belongs to Phrynophiurida'
- 'Ophiomyxinae belongs to Ophiomyxidae'
- 'Ophionereididae was reranked as the subfamily Ophionereidinae and belongs to Ophiochitonidae'
- 'Ophiopholis belongs to Ophiactininae'
- 'Ophioscolex belongs to Ophiomyxinae'
- 'Ophiosmilax belongs to Ophiobyrsinae'
- 'Ophiothela belongs to Ophiothricidae'
- 'Ophiothricidae [misspelled as Ophiothrichidae] belongs to Gnathophiurida'
- 'Ophiothrix belongs to Ophiothricidae'
- 'Ophiura belongs to Ophiomastinae'
- 'Phrynophiurida belongs to Myophiuroida'
- 'Sigsbeia belongs to Hemieuryalinae'
- 'Stegophiura belongs to Ophiomastinae'
- 'Trichaster belongs to Trichasterinae'
- 'Trichasteridae belongs to Phrynophiurida'
- 'Trichasterinae belongs to Trichasteridae'