Name | From | To | Age range |
---|---|---|---|
Phragmothyrites delicatissimus | Oligocene | Miocene |
|
Phragmothyrites cooksoniae | Late Miocene | Late Miocene |
|
Phragmothyrites assamicus | Tertiary | Pliocene |
|
Phragmothyrites | Early Cretaceous | Holocene |
|