Opinions from H. Górka and L. Luszczewska 1969
- 'Achistrum belongs to Achistridae'
- 'Achistrum (Achistrum) belongs to Achistrum'
- 'Achistrum (Cancellrum) belongs to Achistrum'
- 'Achistrum gamma is recombined as Achistrum (Cancellrum) gamma'
- 'Achistrum monochordata is recombined as Achistrum (Cancellrum) monochordata'
- 'Ancistrum issleri is recombined as Achistrum (Achistrum) issleri'
- 'Calclamna belongs to Calclamnidae'
- 'Calclamnella belongs to Calclamnidae'
- 'Chiridota heptalampra is recombined as Theelia heptalampra'
- 'Croneisites belongs to Synaptitidae'
- 'Croneisites insignis belongs to Croneisites'
- 'Croneisites polonicus belongs to Croneisites'
- 'Cucumarites belongs to Calclamnidae'
- 'Cucumarites robustus belongs to Cucumarites'
- 'Eocaudina mortenseni is recombined as Cucumarites mortenseni'
- 'Hemisphaeranthos belongs to Theelidae'
- 'Hemisphaeranthos malmensis belongs to Hemisphaeranthos'
- 'Hemisphaeranthos ogrodzieniecensis belongs to Hemisphaeranthos'
- 'Paracucumarites belongs to Calclamnidae'
- 'Paracucumarites similis belongs to Paracucumarites'
- 'Priscolongatus belongs to Priscopedatidae'
- 'Priscolongatus obliquobrachiatus belongs to Priscolongatus'
- 'Priscolongatus quadriperforatus belongs to Priscolongatus'
- 'Priscopedatus belongs to Priscopedatidae'
- 'Priscopedatus batoniensis belongs to Priscopedatus'
- 'Priscopedatus bolkoviensis belongs to Priscopedatus'
- 'Priscopedatus denticulatus belongs to Priscopedatus'
- 'Priscopedatus jaworznicensis belongs to Priscopedatus'
- 'Priscopedatus octoperforatus belongs to Priscopedatus'
- 'Priscopedatus pentaradiatus belongs to Priscopedatus'
- 'Priscopedatus triangularis belongs to Priscopedatus'
- 'Theelia belongs to Theelidae'
- 'Theelia dentata belongs to Theelia'