| Nominal Species (n = 8) | Present allocation (n = 8) | Ref. |
|---|---|---|
| Euphrosynoplax campechiensis Vazquez-Bader & Gracia, 1991 | Euphrosynoplax campechiensis | 19 |
| Euphrosynoplax clausa Guinot, 1969 | Euphrosynoplax clausa | 19 |
| Euphrosynoplax dincao Tavares & Santana, 2021 | Euphrosynoplax dincao | 3477 |
| Chacellus filiformis Guinot, 1969 | Chacellus filiformis | 19 |
| Pseudorhombila guinotae Hernández-Aguilera, 1982 | Pseudorhombila guinotae | 19 |
| Pseudorhombila octodentata Rathbun, 1906 | Pseudorhombila octodentata | 19 |
| Pseudorhombila ometlanti Vázquez-Bader & Gracia, 1995 | Pseudorhombila ometlanti | 19 |
| Nanoplax thomai Felder, 2020 | Nanoplax thomai | 3477 |