Family: Mecysmaucheniidae Simon, 1895
| Genus | Author | Action | Last updated |
|---|---|---|---|
| 1. Aotearoa | Forster & Platnick, 1984 | |  | Species | Catalog | - - |
| 2. Chilarchaea | Forster & Platnick, 1984 | | | Species | Catalog | - - |
| 3. Mecysmauchenioides | Forster & Platnick, 1984 | | | Species | Catalog | - - |
| 4. Mecysmauchenius | Simon, 1884 | | | Species | Catalog | 2015-01-14 |
| 5. Mesarchaea | Forster & Platnick, 1984 | | | Species | Catalog | - - |
| 6. Semysmauchenius | Forster & Platnick, 1984 | | | Species | Catalog | - - |
| 7. Zearchaea | Wilton, 1946 | | | Species | Catalog | - - |