Opinions from G. A. Cooper 1973
- 'Agulhasia belongs to Agulhasiinae'
- 'Agulhasiinae belongs to Chlidonophoridae'
- 'Cancellothyridinae belongs to Cancellothyrididae'
- 'Cancellothyris belongs to Cancellothyridinae'
- 'Chlidonophora belongs to Chlidonophorinae'
- 'Chlidonophorinae belongs to Chlidonophoridae'
- 'Cnismatocentrum belongs to Cnismatocentridae'
- 'Cricosia belongs to Cricosiinae'
- 'Cricosiinae belongs to Cancellothyrididae'
- 'Cruralina belongs to Cricosiinae'
- 'Disculina belongs to Chlidonophorinae'
- 'Eucalathinae belongs to Chlidonophoridae'
- 'Eucalathis belongs to Eucalathinae'
- 'Gisilina belongs to Chlidonophorinae'
- 'Gyrosoria belongs to Cricosiinae'
- 'Meonia belongs to Chlidonophorinae'
- 'Murravia belongs to Cancellothyridinae'
- 'Orthothyridinae belongs to Chlidonophoridae'
- 'Orthothyris belongs to Orthothyridinae'
- 'Rhynchonellopsis belongs to Cancellothyridinae'
- 'Rugia belongs to Chlidonophorinae'
- 'Sendaithyris belongs to Cancellothyridinae'
- 'Symphythyris belongs to Cancellothyridinae'
- 'Terebratula guadalupae belongs to Terebratula' according to Roemer 1852
- 'Terebratula guadalupae is recombined as Cruralina guadalupae'
- 'Terebratula hemisphaerica belongs to Terebratula' according to Sowerby 1829
- 'Terebratula hemisphaerica is recombined as Disculina hemisphaerica'
- 'Terebratula silicea is recombined as Terebratulina silicea'
- 'Terebratulina belongs to Cancellothyridinae'
- 'Terebratulina filosa belongs to Terebratulina' according to Conrad 1866
- 'Terebratulina filosa is recombined as Cricosia filosa'
- 'Terebratulites gracilis is recombined as Gyrosoria gracilis'
- 'Terebrirostra neocomiensis is recombined as Symphythyris neocomiensis'
- 'Terebrirostra neocomiensis belongs to Terebrirostra' according to d'Orbigny 1847