| Name | From | To | Age range |
|---|---|---|---|
| Tsuga areolatus | Reuverian | Tiglian |
|
| Tsuga alexandriana | Early Oligocene | Early Oligocene |
|
| Tsuga aculeata | Eocene | Late Pliocene |
|
| Tsuga acicularis | Paleocene | Meotian |
|
| Tsuga | Mesozoic | Quaternary |
|