| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Cnesterium | 79259 | Dall, 1898 | | ITIS | invalid | junior synonym of Yoldia | Genus |
| Megayoldia | 567047 | A. E. Verrill and Bush, 1897 | | ITIS | valid | | Genus |
| Portlandia | 79231 | Morch, 1857 | | ITIS | valid | | Genus |
| Yoldia | 79258 | Moller, 1842 | | ITIS | valid | | Genus |
| Yoldiella | 79280 | A. E. Verrill and Bush, 1897 | | ITIS | valid | | Genus |
