| Nominal Species (n = 31) | Present allocation (n = 31) | Ref. |
|---|---|---|
| Sacculina americana Reinhard, 1955 | Sacculina americana | 19 |
| Sacculina angulata van Kampen & Boschma, 1925 | Sacculina angulata | 8285 |
| Sacculina anomala Boschma, 1933 | Sacculina anomala | 8285 |
| Sacculina atlantica Boschma, 1927 | Sacculina atlantica | 19 |
| Loxothylacus bicorniger Boschma, 1933 | Loxothylacus bicorniger | 19 |
| Sacculina bicuspidata Boschma, 1931 | Sacculina bicuspidata | 19 |
| Sacculina boschmai Reinhard, 1955 | Sacculina boschmai | 19 |
| Sacculina bourdoni Boschma, 1960 | Sacculina bourdoni | 19 |
| Heterosaccus californicus Boschma, 1933 | Heterosaccus californicus | 19 |
| Sacculina carcini Thompson, 1836 | Sacculina carcini | 19 |
| Sacculina docleae Huang & Lützen, 1998 | Sacculina docleae | 8285 |
| Loxothylacus engeli Boschma, 1968 | Loxothylacus engeli | 19 |
| Sacculina gerbei Bonnier, 1887 | Sacculina gerbei | 19 |
| Ptychascus glaber Boschma, 1933 | Ptychascus glaber | 19 |
| Sacculina gonoplaxae Guerin-Ganivet, 1911 | Sacculina gonoplaxae | 19 |
| Sacculina hirsuta Boschma, 1925 | Sacculina hirsuta | 19 |
| Sacculina inflata Leuckart, 1859 | Sacculina inflata | 19 |
| Sacculina lobata Boschma, 1965 | Sacculina lobata | 3477 |
| Loxothylacus perarmatus Reinhard & Reischman, 1958 | Loxothylacus perarmatus | 19 |
| Sacculina plana Boschma, 1933 | Sacculina plana | 8285 |
| Sacculina pustulata Boschma, 1925 | Sacculina pustulata | 19 |
| Sacculina quadrialata Boyko & van der Meij, 2018 | Sacculina quadrialata | 3477 |
| Sacculina rathbunae Boschma, 1933 | Sacculina rathbunae | 19 |
| Sacculina reniformis Boschma, 1933 | Sacculina reniformis | 19 |
| Sacculina scabra Boschma, 1931 | Sacculina scabra | 7518 |
| Sacculina schmitti Boschma, 1933 | Sacculina schmitti | 19 |
| Sacculina scutigera Huang & Lützen, 1998 | Sacculina scutigera | 8285 |
| Sacculina serènei Boschma, 1954 | Sacculina serènei | 8285 |
| Sacculina sinensis Boschma, 1933 | Sacculina sinensis | 3683 |
| Loxothylacus texanus Boschma, 1933 | Loxothylacus texanus | 19 |
| Sacculina triangularis Anderson, 1862 | Sacculina triangularis | 3477 |