| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Portlandia fraterna | (Verrill & Bush, 1898) | synonym | No | junior synonym |
new combination |
| Yoldia fraterna | (Verrill & Bush, 1898) | synonym | No | junior synonym |
new combination |
| Yoldia nana | Sars, 1865 | synonym | No | senior synonym |
original combination |
| Yoldiella fraterna | Verrill & Bush, 1898 | synonym | No | junior synonym |
original combination |
| Yoldiella nana | (Sars, 1865) | accepted name | Yes | senior synonym |
new combination |