| Label | Id | |
|---|---|---|
| Bathyarca | 1421189 | |
| Beauchampia | 1611849 | |
| Belisana | 1184437 | |
| Bellieriomima | 411857 | |
| Belytinae | 161181 | |
| Betacryptovirus | 1511809 | |
| Betanudivirus | 1511854 | |
| Betapartitivirus | 1511809 | |
| Blastocaulis | 118 | |
| Bodanella | 246118 | |
| Boeberia | 111897 | |
| Boerebia | 111897 | |
| Bojamyces | 370118 | |
| Bolborhynchus | 211876 | |
| Bothrocalvia | 511873 |