Opinions from R. A. Johns 1994
- 'Archaeoscyphia bassleri belongs to Archaeoscyphia'
- 'Archaeoscyphia eganensis belongs to Archaeoscyphia'
- 'Archaeoscyphia pannosa belongs to Archaeoscyphia'
- 'Archaeoscyphia rossi belongs to Archaeoscyphia'
- 'Calycocoelia belongs to Anthaspidellidae'
- 'Calycocoelia inyoensis is a subjective synonym of Calycocoelia typicalis'
- 'Calycocoelia murella belongs to Calycocoelia'
- 'Colinispongia belongs to Anthaspidellidae'
- 'Colinispongia regularis belongs to Colinispongia'
- 'Egania belongs to Anthaspidellidae'
- 'Egania typicalis belongs to Egania'
- 'Hesperocoelia belongs to Streptosolenidae'
- 'Lissocoelia belongs to Streptosolenidae'
- 'Lissocoelia cylindrica belongs to Lissocoelia'
- 'Nevadocoelia belongs to Anthaspidellidae'
- 'Nevadocoelia mazourkaensis is recombined as Archaeoscyphia mazourkaensis'
- 'Nevadocoelia pulchra is recombined as Archaeoscyphia pulchra'
- 'Patellispongia belongs to Anthaspidellidae'
- 'Patellispongia brosiusae belongs to Patellispongia'
- 'Rugocoelia belongs to Anthaspidellidae'
- 'Rugocoelia eganensis belongs to Rugocoelia'
- 'Streptosolen belongs to Streptosolenidae'
- 'Streptosolen mccafferyi belongs to Streptosolen'
- 'Streptosolen nodosus belongs to Streptosolen'
- 'Verpaspongia belongs to Streptosolenidae'
- 'Verpaspongia nodosa belongs to Verpaspongia'