Opinions from M. T. James 1937
- 'Beris belongs to Stratiomyidae'
- 'Beris miocenica belongs to Beris'
- 'Bibio belongs to Bibionidae'
- 'Bibio atavus belongs to Bibio'
- 'Bibio cockerelli belongs to Bibio'
- 'Bibio vetus belongs to Bibio'
- 'Bibio wickhami belongs to Bibio'
- 'Bibiodes belongs to Bibionidae'
- 'Bibiodes intermedia belongs to Bibiodes'
- 'Cyphomyia belongs to Stratiomyidae'
- 'Empis belongs to Empididae'
- 'Empis florissantana belongs to Empis'
- 'Empis miocenica belongs to Empis'
- 'Empis perdita belongs to Empis'
- 'Lasiopa belongs to Stratiomyidae'
- 'Lasiopa carpenteri belongs to Lasiopa'
- 'Nemotelus prisculus is recombined as Rhingiopsis prisculus'
- 'Oxycera belongs to Stratiomyidae'
- 'Oxycera contusa belongs to Oxycera' according to Cockerell 1917
- 'Oxycera contusa belongs to Oxycera'
- 'Oxycera rohweri is recombined as Cyphomyia rohweri'
- 'Plecia belongs to Bibionidae'
- 'Plecia axeliana belongs to Plecia'
- 'Plecia decapitata belongs to Plecia'
- 'Plecia explanata belongs to Plecia'
- 'Plecia melanderi belongs to Plecia'
- 'Progloma belongs to Empididae'
- 'Progloma rohweri belongs to Progloma'
- 'Rhamphomyia belongs to Empididae'
- 'Rhamphomyia hypolitha belongs to Rhamphomyia' according to Cockerell 1917
- 'Rhamphomyia hypolitha belongs to Rhamphomyia'
- 'Rhamphomyia sepulta belongs to Rhamphomyia'
- 'Rhingiopsis belongs to Stratiomyidae'