| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Acanthonotus | 609804 | Goldfuss, 1809 | | ITIS | invalid | junior homonym of Tachyglossus | Genus |
| Echidna | 609805 | G. Cuvier, 1797 | | ITIS | invalid | junior homonym of Tachyglossus | Genus |
| Echinopus | 609806 | G. Fischer, 1814 | | ITIS | invalid | junior synonym of Tachyglossus | Genus |
| Syphonia | 609807 | Rafinesque, 1815 | | ITIS | invalid | junior synonym of Tachyglossus | Genus |
| Tachyglossus | 552381 | Illiger, 1811 | short-nosed echidna | ITIS | valid | | Genus |
| Zaglossus | 552382 | Gill, 1877 | long-nosed echidna | ITIS | valid | | Genus |
