| Family | genus | species | author | Type Number | Category |
| Flatidae | Amphiscepa | plana | Van Duzee | 2303 | holotype |
| Flatidae | Anormenis | metdiscus | O'Brien | 16030 | holotype |
| Flatidae | Cyarda | subfalcata | Van Duzee | 1094 | holotype |
| Flatidae | Dascalia | edax | Van Duzee | 1096 | holotype |
| Flatidae | Dascalia | tumida | Van Duzee | 3657 | holotype |
| Flatidae | Eurocalia | collaris | Van Duzee | 2308 | holotype |
| Flatidae | Flatoides | enotus | Van Duzee | 1098 | holotype |
| Flatidae | Flatoides | fuscus | Van Duzee | 2278 | syntype |
| Flatidae | Flatoides | monilis | Van Duzee | 2309 | holotype |
| Flatidae | Microflata | stictica sinensis | Fennah | 7034 | holotype |
| Flatidae | Ormenis | albipennis brevis | Van Duzee | 2306 | holotype |
| Flatidae | Ormenis | albipennis | Van Duzee | 2304 | holotype |
| Flatidae | Ormenis | barberi | Van Duzee | 2275 | holotype |
| Flatidae | Ormenis | saucia | Van Duzee | 2276 | syntypes, 4 |
| Flatidae | Rhynchopteryx | caudata | Van Duzee | 2260 | syntype |
| Flatidae | Rhynchopteryx | caudata | Van Duzee | 2261 | syntype |
| Flatidae | Salurnis | lastendis | Medler | 16745 | holotype |
| Flatidae | Sosephena | binoba | Medler | 16601 | holotype |