Opinions from M.-Z. Won 1997
- 'Apophysisphaera belongs to Retentactiniinae'
- 'Apophysisphaera elegans belongs to Apophysisphaera'
- 'Apophysisphaera membranacea belongs to Apophysisphaera'
- 'Apophysisphaera parva belongs to Apophysisphaera'
- 'Apophysisphaera rosae belongs to Apophysisphaera'
- 'Duodecimentactinia belongs to Retentactiniinae'
- 'Duodecimentactinia ampla belongs to Duodecimentactinia'
- 'Duodecimentactinia aranea belongs to Duodecimentactinia'
- 'Entactinia gogoense is recombined as Apophysisphaera gogoense'
- 'Entactinia hystricuosa is recombined as Apophysisphaera histricuosa'
- 'Entactinia profundisulcus is recombined as Apophysisphaera profundisulcus'
- 'Multientactinia belongs to Retentactiniinae'
- 'Multientactinia inconstans belongs to Multientactinia'
- 'Multientactinia iniqua belongs to Multientactinia'
- 'Multientactinia reedae belongs to Multientactinia'
- 'Multientactinia soluta belongs to Multientactinia'
- 'Plenoentactinia belongs to Retentactiniinae'
- 'Plenoentactinia concreta belongs to Plenoentactinia'
- 'Plenoentactinia pinguis belongs to Plenoentactinia'
- 'Plenoentactinia sexangula belongs to Plenoentactinia'
- 'Plenoentactinia stella belongs to Plenoentactinia'
- 'Polyentactinia invenusta is recombined as Spongentactinia invenusta'
- 'Provisocyntra belongs to Retentactiniinae'
- 'Provisocyntra cassicula belongs to Provisocyntra'
- 'Provisocyntra conferta belongs to Provisocyntra'
- 'Retentactinia belongs to Retentactiniinae'
- 'Retentactinia aspera belongs to Retentactinia'
- 'Retentactinia aspinosa belongs to Retentactinia'
- 'Retentactinia delicata belongs to Retentactinia'
- 'Retentactinia impedita belongs to Retentactinia'
- 'Retentactinia interreticulata belongs to Retentactinia'
- 'Retentactinia levis belongs to Retentactinia'
- 'Retentactinia longa belongs to Retentactinia'
- 'Retentactinia repleta belongs to Retentactinia'
- 'Retentactiniinae belongs to Entactiniidae'
- 'Retisphaera belongs to Retentactiniinae'
- 'Retisphaera distratalis belongs to Retisphaera'
- 'Retisphaera ovata belongs to Retisphaera'
- 'Retisphaera rota belongs to Retisphaera'
- 'Somphoentactinia cavata is a subjective synonym of Retisphaera concinna'
- 'Spongentactinella abstrusa is recombined as Plenoentactinia abstrusa'
- 'Spongentactinella intracata is recombined as Multientactinia intracata'
- 'Spongentactinia belongs to Retentactiniinae'
- 'Spongentactinia ambigua belongs to Spongentactinia'
- 'Spongentactinia concinna is recombined as Retisphaera concinna'
- 'Spongentactinia exquisita is a subjective synonym of Retisphaera concinna'
- 'Spongentactinia flexa belongs to Spongentactinia'
- 'Spongentactinia fungosa belongs to Spongentactinia'
- 'Spongentactinia inusitata belongs to Spongentactinia'
- 'Spongentactinia mira belongs to Spongentactinia'
- 'Spongosphaera belongs to Retentactiniinae'
- 'Spongosphaera grandispongiosa belongs to Spongosphaera'
- 'Spongosphaera trendalliana belongs to Spongosphaera'
- 'Spongosphaera varia belongs to Spongosphaera'