| Family | genus | species | author | Type Number | Category |
| Platypezidae | Agathomyia | aestiva | Kessel | 6129 | holotype |
| Platypezidae | Agathomyia | alaskensis | Kessel | 6620 | holotype |
| Platypezidae | Agathomyia | aquilonia | Kessel | 6453 | holotype |
| Platypezidae | Agathomyia | arossi | Kessel | 6617 | holotype |
| Platypezidae | Agathomyia | colei | Kessel | 6616 | holotype |
| Platypezidae | Agathomyia | fenderi | Kessel | 6128 | holotype |
| Platypezidae | Agathomyia | hardyi | Kessel and Clopton | 10276 | holotype |
| Platypezidae | Agathomyia | laffooni | Kessel | 6610 | holotype |
| Platypezidae | Agathomyia | leechi | Kessel | 6618 | holotype |
| Platypezidae | Agathomyia | lucifuga | Kessel | 6614 | holotype |
| Platypezidae | Agathomyia | lutea | Cole in Cole and Lovett | 493 | holotype |
| Platypezidae | Agathomyia | macneilli | Kessel | 6615 | holotype |
| Platypezidae | Agathomyia | nemophila | Kessel | 6612 | holotype |
| Platypezidae | Agathomyia | stonei | Kessel | 6619 | holotype |
| Platypezidae | Agathomyia | sylvania | Kessel | 6613 | holotype |
| Platypezidae | Callomyia | bertae | Kessel | 6452 | holotype |
| Platypezidae | Callomyia | calla | Kessel | 5998 | holotype |
| Platypezidae | Callomyia | clara | Kessel | 6000 | holotype |
| Platypezidae | Callomyia | cleta | Kessel | 5999 | holotype |
| Platypezidae | Callomyia | corvina | Kessel | 5997 | holotype |
| Platypezidae | Callomyia | gilloglyorum | Kessel | 6446 | holotype |
| Platypezidae | Callomyia | liardia | Kessel and Buegler | 11265 | holotype |
| Platypezidae | Calotarsa | simplex | Kessel and Young | 12043 | holotype |
| Platypezidae | Clythia | coraxa | Kessel | 6195 | holotype |
| Platypezidae | Clythia | dymka | Kessel | 6449 | holotype |
| Platypezidae | Clythia | hunteri | Kessel | 6412 | holotype |
| Platypezidae | Platypeza | alternata | Kessel and Kessel | 11905 | holotype |
| Platypezidae | Platypeza | calceata | Snow | 12489 | lectotype |
| Platypezidae | Platypeza | femina | Kessel and Kessel | 11906 | holotype |
| Platypezidae | Platypeza | mexicana | Kessel and Kessel | 11907 | holotype |
| Platypezidae | Platypeza | millironi | Kessel | 11908 | holotype |
| Platypezidae | Platypeza | minorata | Banks | 13331 | syntype |
| Platypezidae | Platypezina | johnsoni | Kessel | 6448 | holotype |
| Platypezidae | Platypezina | pacifica | Kessel | 5887 | holotype |
| Platypezidae | Plesioclythia | boharti | Kessel and Clopton | 10269 | holotype |
| Platypezidae | Plesioclythia | schlingeri | Kessel and Clopton | 10277 | holotype |
| Platypezidae | Protoclythia | californica | Kessel | 5957 | holotype |
| Platypezidae | Protoclythia | maggioncaldai | Kessel | 11909 | holotype |
| Platypezidae | Protoclythia | wheeleri | Kessel and Kessel | 11910 | holotype |
| Platypezidae | Symmetricella | fumapex | Kessel | 11137 | holotype |
| Platypezidae | Symmetricella | lyneborgi | Kessel and Clopton | 10270 | holotype |
| Platypezidae | Symmetricella | mogollonensis | Kessel and Kessel | 11911 | holotype |