| Family | genus | species | author | Type Number | Category |
| Capniidae | Capnia | autumna | Baumann and Gaufin | 10432 | holotype |
| Capniidae | Capnia | californica | Claassen | 6232 | holotype |
| Capniidae | Capnia | cygna | Jewett | 8580 | holotype |
| Capniidae | Capnia | disala | Jewett | 8581 | holotype |
| Capniidae | Capnia | ensicala | Jewett | 8582 | holotype |
| Capniidae | Capnia | erecta | Jewett | 8583 | holotype |
| Capniidae | Capnia | lacustra | Jewett | 9065 | holotype |
| Capniidae | Capnia | licina | Jewett | 8584 | holotype |
| Capniidae | Capnia | maculata | Jewett | 8585 | holotype |
| Capniidae | Capnia | oswegaptera | Jewett | 9066 | holotype |
| Capniidae | Capnia | petila | Jewett | 8586 | holotype |
| Capniidae | Capnia | porrecta | Jewett | 8587 | holotype |
| Capniidae | Capnia | quadrituberosa | Hitchcock | 6291 | holotype |
| Capniidae | Capnia | scobina | Jewett | 10037 | holotype |
| Capniidae | Capnia | sextuberculata | Jewett | 8588 | holotype |
| Capniidae | Capnia | sierra | Nebeker and Gaufin | 11934 | holotype |
| Capniidae | Capnia | swani | Jewett | 12483 | holotype |
| Capniidae | Capnia | triangulipennis | Jewett | 12484 | holotype |
| Capniidae | Capnia | utahensis | Gaufin and Jewett | 8589 | holotype |
| Capniidae | Capnia | werneri | Baumann and Gaufin | 10088 | holotype |