| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Aceros everetti | 554445 | (Rothschild, 1897) | | ITIS | invalid | subsequent name/combination of Rhyticeros everetti | Species |
| Aceros narcondami | 554444 | (Hume, 1873) | | ITIS | invalid | subsequent name/combination of Rhyticeros narcondami | Species |
| Aceros plicatus | 554458 | (J. R. Forster, 1781) | | ITIS | invalid | subsequent name/combination of Rhyticeros plicatus | Species |
| Aceros subruficollis | 554446 | (Blyth, 1843) | | ITIS | invalid | subsequent name/combination of Rhyticeros subruficollis | Species |
| Aceros undulatus | 554443 | (Shaw, 1811) | | ITIS | invalid | subsequent name/combination of Rhyticeros undulatus | Species |
| Rhyticeros everetti | 707791 | (Rothschild, 1897) | Sumba Hornbill | ITIS | valid | | Species |
| Rhyticeros narcondami | 707788 | Hume, 1873 | Narcondam Hornbill | ITIS | valid | | Species |
| Rhyticeros plicatus | 707787 | (J. R. Forster, 1781) | Papuan Hornbill Blyth's Hornbill | ITIS | valid | | Species |
| Rhyticeros subruficollis | 707789 | (Blyth, 1843) | Plain-pouched Hornbill | ITIS | valid | | Species |
| Rhyticeros undulatus | 707790 | (Shaw, 1811) | Wreathed Hornbill | ITIS | valid | | Species |
