Opinions from M. Eguchi 1951
- 'Acanthogyra tosaensis belongs to Acanthogyra'
- 'Actinacis miyakoensis belongs to Actinacis'
- 'Actinacis tosaensis belongs to Actinacis'
- 'Amphiastrea kamoensis belongs to Amphiastrea'
- 'Amphiastrea yabei belongs to Amphiastrea'
- 'Astrocoenia japonica is recombined as Stephanocoenia japonica'
- 'Axosmilia hayasakai belongs to Axosmilia'
- 'Centrastrea japonica belongs to Centrastrea'
- 'Centrastrea miyakoensis belongs to Centrastrea'
- 'Centrastrea ogawaensis belongs to Centrastrea'
- 'Centrastrea tokushimaensis belongs to Centrastrea'
- 'Cyclolites japonica belongs to Cyclolites'
- 'Dermosmilia jezoensis belongs to Dermosmilia' according to Eguchi 1944
- 'Dermosmilia nagaoi belongs to Dermosmilia'
- 'Dermosmilia trichotoma belongs to Dermosmilia'
- 'Dimorpharaea japonica belongs to Dimorpharaea'
- 'Dimorphastrea mitodaensis belongs to Dimorphastrea'
- 'Diplaraea sakamotoensis belongs to Diplaraea'
- 'Diplaraea somaensis belongs to Diplaraea'
- 'Diplaraea tosaensis belongs to Diplaraea'
- 'Diplogyra lamellosa belongs to Diplogyra' according to Eguchi 1936
- 'Enallhelia nipponica belongs to Enallhelia' according to Eguchi 1942
- 'Eugyra magnus belongs to Eugyra'
- 'Eugyra sugiyamai belongs to Eugyra'
- 'Favia haipensis belongs to Favia'
- 'Favia jezoensis belongs to Favia'
- 'Favia oishii belongs to Favia'
- 'Favites taruensis belongs to Favites'
- 'Heterocoenia tetraseptata belongs to Heterocoenia'
- 'Isastrea kosodeensis belongs to Isastrea'
- 'Isastrea matumotoi belongs to Isastrea' according to Eguchi 1944
- 'Isastrea sugiyamai belongs to Isastrea'
- 'Isastrea taruensis belongs to Isastrea'
- 'Isastrea yuraensis belongs to Isastrea'
- 'Kobya ragaensis belongs to Kobya'
- 'Latomeandra mitodaensis belongs to Latomeandra'
- 'Latomeandra somaensis belongs to Latomeandra'
- 'Latomeandra tosaensis belongs to Latomeandra'
- 'Maeandrella haipensis belongs to Maeandrella'
- 'Meandraraea hiraigaensis belongs to Meandraraea'
- 'Meandraraea mabutii belongs to Meandraraea'
- 'Meandraraea mitodaensis belongs to Meandraraea'
- 'Meandraraea miyakoensis belongs to Meandraraea'
- 'Meandraraea nipponica belongs to Meandraraea'
- 'Meandraraea somaensis belongs to Meandraraea'
- 'Microsolena japonica belongs to Microsolena'
- 'Microsolena subexcavata belongs to Microsolena'
- 'Microsolena yabei belongs to Microsolena'
- 'Montastrea aokii belongs to Montastrea'
- 'Montastrea ebiraseensis belongs to Montastrea'
- 'Montastrea nagaoi belongs to Montastrea'
- 'Montastrea nipponica belongs to Montastrea'
- 'Montlivaltia mitodaensis belongs to Montlivaltia'
- 'Montlivaltia todanaensis belongs to Montlivaltia'
- 'Nefocoenia favosites belongs to Nefocoenia' according to Oppenheim 1930
- 'Placocoenia hideshimaensis belongs to Placocoenia'
- 'Placocoenia japonica belongs to Placocoenia'
- 'Placocoenia orbitoides belongs to Placocoenia'
- 'Placocoenia tanohataensis belongs to Placocoenia'
- 'Placocoenia tosaensis belongs to Placocoenia'
- 'Platycyathus kawakamiensis belongs to Platycyathus'
- 'Platycyathus yezoensis belongs to Platycyathus'
- 'Pleurosmilia hideshimaensis belongs to Pleurosmilia'
- 'Polyphylloseris japonica belongs to Polyphylloseris'
- 'Pseudoagatheria belongs to Oculinidae'
- 'Pseudoagatheria hiraigaensis belongs to Pseudoagatheria'
- 'Rhabdophyllia oshimaensis belongs to Rhabdophyllia'
- 'Stylina higoensis belongs to Stylina'
- 'Stylina japonica belongs to Stylina'
- 'Stylina mabutii belongs to Stylina' according to Eguchi 1942
- 'Stylina nakasai belongs to Stylina'
- 'Stylomaeandra pseudominima belongs to Stylomaeandra'
- 'Stylosmilia fascicularis belongs to Stylosmilia'
- 'Stylosmilia naumanni belongs to Stylosmilia'
- 'Stylosmilia subgracilis belongs to Stylosmilia'
- 'Stylosmilia yabei belongs to Stylosmilia'
- 'Thamnasteria contorta belongs to Thamnasteria'
- 'Thamnasteria cycloides belongs to Thamnasteria'
- 'Thamnasteria hideshimaensis belongs to Thamnasteria'
- 'Thamnasteria hiraigaensis belongs to Thamnasteria'
- 'Thamnasteria jezoensis belongs to Thamnasteria'
- 'Thamnasteria komagataensis belongs to Thamnasteria'
- 'Thamnasteria maxima belongs to Thamnasteria'
- 'Thamnasteria naumanni belongs to Thamnasteria'
- 'Thamnasteria protoserioides belongs to Thamnasteria'
- 'Thamnasteria rikuzenica belongs to Thamnasteria'
- 'Thamnasteria yuraensis belongs to Thamnasteria'
- 'Thecosmilia hideshimaensis belongs to Thecosmilia'
- 'Thecosmilia somaensis belongs to Thecosmilia'
- 'Thigmastrea belongs to Scleractinia'
- 'Thigmastrea shimoheiensis belongs to Thigmastrea'
- 'Trochocyathus sachalinensis belongs to Trochocyathus'
- 'Trochosmilia orientalis belongs to Trochosmilia'