Opinions from F. M. Carpenter 1951
- 'Aspidothoracidae belongs to Megasecoptera'
- 'Aspidothorax belongs to Aspidothoracidae'
- 'Aspidothorax dubius is a nomen dubium'
- 'Aspidothorax maculatus is a subjective synonym of Aspidothorax triangularis'
- 'Aspidothorax nanus is a subjective synonym of Aspidothorax triangularis'
- 'Aspidothorax triangularis belongs to Aspidothorax'
- 'Corydaliodes is a subjective synonym of Corydaloides'
- 'Corydaliodes gracilior is a subjective synonym of Corydaloides scudderi'
- 'Corydaloides belongs to Corydaloididae'
- 'Corydaloides brongniarti is a subjective synonym of Corydaloides scudderi'
- 'Corydaloides longipennis is a subjective synonym of Corydaloides scudderi'
- 'Corydaloides scudderi belongs to Corydaloides'
- 'Corydaloides simplex is a subjective synonym of Corydaloides scudderi'
- 'Corydaloididae belongs to Megasecoptera'
- 'Cyclocelis belongs to Sphecopteridae'
- 'Cyclocelis acuta is a nomen dubium'
- 'Cyclocelis chatini belongs to Cyclocelis'
- 'Cyclocelis minor is recombined as Sphecoptera minor'
- 'Cyclocelis obscura belongs to Cyclocelis'
- 'Cycloscelis elegantissima is recombined as Sphecoptera elegantissima'
- 'Foriria belongs to Foririidae'
- 'Foriria maculata belongs to Foriria'
- 'Foririidae belongs to Megasecoptera'
- 'Ischnoptilidae belongs to Megasecoptera'
- 'Ischnoptilus belongs to Ischnoptilidae'
- 'Ischnoptilus elegans belongs to Ischnoptilus'
- 'Mischoptera belongs to Mischopteridae'
- 'Mischoptera concolor is a subjective synonym of Mischoptera nigra'
- 'Mischoptera infumata is a subjective synonym of Mischoptera nigra'
- 'Mischoptera ocellata is a subjective synonym of Mischoptera nigra'
- 'Mischoptera woodwardi is a subjective synonym of Mischoptera nigra'
- 'Mischopteridae belongs to Megasecoptera'
- 'Psilothorax belongs to Mischopteridae'
- 'Psilothorax longicauda belongs to Psilothorax'
- 'Psilothorax pictus is a subjective synonym of Psilothorax longicauda'
- 'Sphecoptera belongs to Sphecopteridae'
- 'Sphecoptera brongniarti belongs to Sphecoptera'
- 'Sphecoptera brongniartiana is a subjective synonym of Cyclocelis chatini'
- 'Sphecoptera fenestrata is a subjective synonym of Cyclocelis chatini'
- 'Sphecoptera gracilis belongs to Sphecoptera'
- 'Sphecopteridae belongs to Megasecoptera'
- 'Woodwardia nigra is recombined as Mischoptera nigra'