| Nominal Species (n = 11) | Present allocation (n = 9) | Ref. |
|---|---|---|
| Streptocephalus dorothae Mackin, 1942 | Streptocephalus dorothae | 19 |
| Streptocephalus floridanus Packard, 1880 | Streptocephalus sealii | 75097 |
| Streptocephalus linderi Moore, 1966 | Streptocephalus linderi | 19 |
| Streptocephalus mackini Moore, 1966 | Streptocephalus mackini | 19 |
| Streptocephalus mattoxi Maeda-Martínez, Belk, Obregón-Barboza & Dumont, 1995 | Streptocephalus mattoxi | 19 |
| Streptocephalus moorei Belk, 1973 | Streptocephalus moorei | 19 |
| Streptocephalus seali Ryder, 1879 | Streptocephalus sealii | 75097 |
| Streptocephalus sealii Ryder, 1879 | Streptocephalus sealii | 19 |
| Streptocephalus similis Baird, 1852 | Streptocephalus similis | 19 |
| Streptocephalus texanus Packard, 1871 | Streptocephalus texanus | 19 |
| Streptocephalus woottoni Eng, Belk & Eriksen, 1990 | Streptocephalus woottoni | 19 |