| Name | From | To | Age range |
|---|---|---|---|
| Basopollis obscurocostatus | Maestrichtian | Eocene |
|
| Basopollis basalis | Turonian | Eocene |
|
| Basopollis sp.2 M©du.,1975 | Late Santonian | Eocene |
|
| Basopollis orthobasalis | Cretaceous | Eocene |
|
| Basopollis urkutensis | Paleocene | Eocene |
|
| Basopollis sp | Early Cretaceous | Eocene |
|
| Basopollis krutzschi | Early Tertiary | Middle Eocene |
|
| Basopollis triangulatus | Maastrichtian | Lutetian |
|
| Basopollis intumescens | Late Thanetian | Sparnacian |
|
| Basopollis sp.2 | Turonian | Early Cuisian |
|
| Basopollis sp.1 | Turonian | Early Cuisian |
|
| Basopollis periodus | Turonian | Thanetian |
|
| Basopollis giganteus | Maastrichtian | Paleocene |
|