| Name | From | To | Age range |
|---|---|---|---|
| Ephedra nevadensis | Claiborne | Early Pleistocene |
|
| Ephedra torreyana | Middle Eocene | Early Pleistocene |
|
| Ephedra crassoides | Middle Eocene | Early Oligocene |
|
| Ephedra minimus | Middle Eocene | Late Eocene |
|
| Ephedra sp. Trev.,1967 | Middle Eocene | Miocene |
|
| Ephedra hungarica | Middle Eocene | Early Oligocene |
|
| Ephedra tenera | Eocene | Middle Oligocene |
|
| Ephedra wolkenbergensis | Early Eocene | Late Miocene |
|
| Ephedra eocenica | Eocene | Miocene |
|
| Ephedra cheganica | Late Paleocene | Middle Miocene |
|
| Ephedra trinata | Early Tertiary | Early Oligocene |
|
| Ephedra intermedia | Early Tertiary | Early Pliocene |
|
| Ephedra sp.2 | Early Tertiary | Pleistocene |
|
| Ephedra fragilis | Paleogene | Pleistocene |
|
| Ephedra sp. Brat.,1966 | Paleocene | Paleocene |
|
| Ephedra sp.1 | Early Tertiary | Neogene |
|
| Ephedra cretacea | Late Maastrichtian | Late Maastrichtian |
|