| Label | Id | |
|---|---|---|
| Allomyia | 1188194 | |
| Alphanudivirus | 1511853 | |
| Alphapartitivirus | 1511808 | |
| Alphaspiravirus | 1511856 | |
| Alphaturrivirus | 1511859 | |
| Alypia | 689118 | |
| Amalgaviridae | 1511860 | |
| Amalgavirus | 1511861 | |
| Amaurolimnas | 1118502 | |
| Amida | 511866 | |
| Amiocentrus | 1188197 | |
| Ammopiptanthus | 111850 | |
| Ammotrechidae | 118512 | |
| Amphelikturus | 1182853 | |
| Amphissa | 1421182 |