| Name | From | To | Age range |
|---|---|---|---|
| Lejeunecysta psilodora | Priabonian | Priabonian |
|
| Lejeunecysta sp.2 Biff.& Grig.,1983 | Oligocene | Oligocene |
|
| Lejeunecysta sp.3 Biff.& Grig.,1983 | Oligocene | Oligocene |
|
| Lejeunecysta sp.B | Oligocene | Late Neogene |
|
| Lejeunecysta illecebrosa | Oligocene | Middle Miocene |
|
| Lejeunecysta sp.4 Biff.& Grig.,1983 | Oligocene | Oligocene |
|
| Lejeunecysta sp.1 Biff.& Grig.,1983 | Oligocene | Early Miocene |
|
| Lejeunecysta sp. Duff.& Stei.,1986 | Middle Oligocene | Middle Miocene |
|
| Lejeunecysta aechmophora | Middle Oligocene | Late Oligocene |
|
| Lejeunecysta sp.A Powe.,1986 | Chattian | Serravallian |
|
| Lejeunecysta diversiforma | Bormidian | Holocene |
|
| Lejeunecysta convexa | Late Oligocene | Pleistocene |
|
| Lejeunecysta sp.5 | Late Oligocene | Early Miocene |
|
| Lejeunecysta applanata | Early Miocene | Early Miocene |
|
| Lejeunecysta cowiei | Early Miocene | Quaternary |
|
| Lejeunecysta sp.C | Miocene | Late Miocene |
|
| Lejeunecysta sp.7 | Miocene | Miocene |
|