| Label | Id | |
|---|---|---|
| Blepharidachne | 433845 | |
| Borockvirus | 2843361 | |
| Boroecia | 1774330 | |
| Brachaelurus | 582433 | |
| Brachypoda | 84332 | |
| Brachypterus | 433085 | |
| Brachysola | 664339 | |
| Bradyscela | 433693 | |
| Brassicibacter | 1433991 | |
| Brevisiana | 311433 | |
| Burrovirus | 2843362 | |
| Cacia | 584334 | |
| Cacophis | 505433 | |
| Cadaverota | 1587433 | |
| Calamophis | 1543333 |