| Notomastus americanus Day, 1973 |
| Notomastus angelicae Hernández-Alcántara & Solís-Weiss, 1998 |
| Notomastus bermejoi Hernández-Alcántara, García-Garza & Solís-Weiss, 2022 |
| Notomastus cinctus Fauchald, 1972 |
| Notomastus daueri Ewing, 1982 |
| Notomastus fauchaldi García-Garza & de León-González, 2015 |
| Notomastus hemipodus Hartman, 1945 |
| Notomastus landini García-Garza & de León-González, 2015 |
| Notomastus latericeus Sars, 1851 |
| Notomastus lineatus Claparède, 1870 |
| Notomastus lobatus Hartman, 1947 |
| Notomastus lobulatus García-Garza & de León-González, 2015 |
| Notomastus luridus Verrill, 1873 |
| Notomastus magnus Hartman, 1947 |
| Notomastus mazatlanensis García-Garza, de León-González & Tovar-Hernández, 2019 |
| Notomastus ouanaryensis (Gravier, 1901) |
| Notomastus polyodon Gallardo, 1968 |
| Notomastus precocis Hartman, 1960 |
| Notomastus sonorae Kudenov, 1975 |
| Notomastus tenuis Moore, 1909 |