| Name | From | To | Age range |
|---|---|---|---|
| Buxus microphylla | Pliocene | Pleistocene |
|
| Buxus colchica | Pliocene | Pliocene |
|
| Buxus sp. Glad.,1956 | Middle Miocene | Middle Miocene |
|
| Buxus pliocenica | Miocene | Pliocene |
|
| Buxus loherii | Middle Eocene | Middle Eocene |
|
| Buxus macowani | Middle Eocene | Middle Eocene |
|
| Buxus purdiana | Eocene | Early Miocene |
|
| Buxus citrifolia | Eocene | Early Miocene |
|
| Buxus cubana | Eocene | Early Miocene |
|
| Buxus muellerinan | Eocene | Early Miocene |
|
| Buxus harlandii | Eocene | Early Miocene |
|
| Buxus madagascariensis | Eocene | Early Miocene |
|
| Buxus laevigata | Eocene | Early Miocene |
|
| Buxus bartletti | Early Eocene | Middle Eocene |
|
| Buxus lancifolia | Eocene | Early Miocene |
|
| Buxus sempervirens | Eocene | Early Pleistocene |
|
| Buxus rheelioides | Eocene | Early Miocene |
|