| Common name | Scientific name (taxonomy link) | Japanese name (jeKai link) | Romanization | Comments |
| bacteria | Bacteria (kingdom) | バクテリア界（かい） | bakuteria kai | |
| Basidiomycota (subphylum) | 担子菌亜門（たんしきん亜門） | tanshi kin a-mon | sublisting | |
| bovids | Bovidae (family) | 牛科（うしか） | ushi ka |
This entry was created by Benjamin Barrett.
Created 2001-03-23 by Benjamin Barrett.