| Nominal Species (n = 14) | Present allocation (n = 14) | Ref. |
|---|---|---|
| Heterocossura aciculata Wu & Chen, 1977 | Cossura aciculata | 3477 |
| Cossura brunnea Fauchald, 1972 | Cossura brunnea | 8159 |
| Cossura candida Hartman, 1955 | Cossura candida | 8159 |
| Cossura coasta Litamori, 1960 | Cossura coasta | 19 |
| Cossura dayi Hartman, 1974 | Cossura dayi | 2663 |
| Cossura delta Reish, 1958 | Cossura delta | 7866 |
| Cossurella dimorpha Hartman, 1974 | Cossura dimorpha | 2663 |
| Cossura laeviseta Hartman-Schröder, 1959 | Cossura laeviseta | 8159 |
| Cossura longocirrata Webster & Benedict, 1887 | Cossura longocirrata | 19 |
| Cossura modica Fauchald & Hancock, 1981 | Cossura modica | 19 |
| Cossura pygodactylata Jones, 1956 | Cossura pygodactylata | 3477 |
| Cossura rostrata Fauchald, 1972 | Cossura rostrata | 8159 |
| Cossura soyeri Laubier, 1964 | Cossura soyeri | 7866 |
| Cossura yacy Sousa, Nogueira, Cutrim & Oliveira, 2019 | Cossura yacy | 3477 |