| Name | From | To | Age range |
|---|---|---|---|
| Lejeunecysta sp.2 Biff.& Grig.,1983 | Oligocene | Oligocene |
|
| Lejeunecysta sp.2 | Paleocene | Early Miocene |
|
| Lejeunecysta sp.11 | Early Miocene | Early Miocene |
|
| Lejeunecysta sp.10 | Middle Miocene | Middle Miocene |
|
| Lejeunecysta sp.1 Biff.& Grig.,1983 | Oligocene | Early Miocene |
|
| Lejeunecysta sp.1 | Paleocene | Early Miocene |
|
| Lejeunecysta sp. Quat.& Sarj.,1996 | Late Danian | Late Danian |
|
| Lejeunecysta sp. He,1991 | Turonian | Middle Eocene |
|
| Lejeunecysta sp. Duff.& Stei.,1986 | Middle Oligocene | Middle Miocene |
|
| Lejeunecysta sp | Coniacian | Recent |
|
| Lejeunecysta serrata | Lutetian | Rupelian |
|
| Lejeunecysta sabrina | Late Pliocene | Holocene |
|
| Lejeunecysta pulchra | Late Maestrichtian | Serravallian |
|
| Lejeunecysta psuchra | Nd | Nd |
|
| Lejeunecysta psilodora | Priabonian | Priabonian |
|
| Lejeunecysta pentagonalis | Senonian | Senonian |
|
| Lejeunecysta pentagona | Middle Eocene | Middle Eocene |
|