Animalia | Arthropoda | Insecta | Hymenoptera | Halictidae | Nomia | (Gnathonomia) | Nomia thoracica
Biota | Plantae | Viridiplantae | Chlorophyta | Chlorophytina | Trebouxiophyceae | Chlorellales | Chlorellaceae | Nomia
| Haeckel, 1866 | Cavalier-Smith, 1981 | Pascher, 1914 | Cavalier-Smith, 1998 | Friedl, 1995 | Bold & M.J.Wynne, 1978 | Brunnthaler, 1913 | Lortou & Gkelis, 2022