Opinions from C. D. Wagner and J. W. Durham 1966
- 'Adelopneustes is a subjective synonym of Galerites'
- 'Amblypygus belongs to Holectypoida'
- 'Anorthopygidae belongs to Holectypina'
- 'Anorthopygus belongs to Anorthopygidae'
- 'Camerogalerus belongs to Discoididae'
- 'Cluniaster belongs to Echinoneina'
- 'Caenholectypus is a misspelling of Coenholectypus'
- 'Coenholectypus belongs to Holectypidae'
- 'Conoclyparia is corrected as Conoclypina and belongs to Holectypoida'
- 'Conoclypidae belongs to Conoclypina'
- 'Conoclypus belongs to Conoclypidae'
- 'Conulus belongs to Conulidae'
- 'Conulusidae is corrected as Conulidae and belongs to Echinoneina'
- 'Coptodiscus belongs to Holectypidae'
- 'Discholectypus belongs to Holectypidae'
- 'Discoides belongs to Discoididae'
- 'Discoidinae was reranked as the family Discoididae and belongs to Holectypina'
- 'Dixonia belongs to Discoididae'
- 'Echinoconus is a subjective synonym of Galerites'
- 'Echinogalerus belongs to Holectypoida'
- 'Echinoneides is corrected as Echinoneidae and belongs to Echinoneina'
- 'Echinoneina belongs to Holectypoida'
- 'Echinoneus belongs to Echinoneidae'
- 'Galeraster belongs to Conulidae'
- 'Galerites belongs to Galeritidae'
- 'Galeritidae belongs to Echinoneina'
- 'Globator belongs to Conulidae'
- 'Gnathostomata belongs to Echinoidea'
- 'Haimea belongs to Oligopygidae'
- 'Holectypidae belongs to Holectypina'
- 'Holectypina belongs to Holectypoida'
- 'Holectypoida belongs to Gnathostomata'
- 'Holectypus belongs to Holectypidae'
- 'Koehleraster is a subjective synonym of Echinoneus'
- 'Lanieria belongs to Discoididae'
- 'Mattsechinus belongs to Echinoneina'
- 'Metholectypus belongs to Holectypidae'
- 'Microlampas belongs to Oligopygidae'
- 'Oligopyginae was reranked as the family Oligopygidae and belongs to Conoclypina'
- 'Oligopygus belongs to Oligopygidae'
- 'Oviclypeus belongs to Conoclypidae'
- 'Ovulechinus belongs to Oligopygidae'
- 'Paleoechinoneus belongs to Echinoneidae'
- 'Protolampas belongs to Oligopygidae'
- 'Pygopyrina belongs to Conulidae'
- 'Rhopostoma belongs to Holectypoida'