| Name | From | To | Age range |
|---|---|---|---|
| Lejeunecysta sp.A | Late Maastrichtian | Early Danian |
|
| Lejeunecysta sp.1 | Paleocene | Early Miocene |
|
| Lejeunecysta communis | Early Danian | Pleistocene |
|
| Lejeunecysta tenella | Early Paleocene | Late Oligocene |
|
| Lejeunecysta brassensis | Paleocene | Middle Miocene |
|
| Lejeunecysta magnifica | Paleocene | Paleocene |
|
| Lejeunecysta sp.3 | Paleocene | Paleocene |
|
| Lejeunecysta sp.2 | Paleocene | Early Miocene |
|
| Lejeunecysta sp. Quat.& Sarj.,1996 | Late Danian | Late Danian |
|
| Lejeunecysta beninensis | Late Danian | Late Danian |
|
| Lejeunecysta spatiosa | Late Paleocene | Late Paleocene |
|
| Lejeunecysta lata | Eocene | Eocene |
|
| Lejeunecysta pentagona | Middle Eocene | Middle Eocene |
|
| Lejeunecysta paratenella | Middle Eocene | Late Quaternary |
|
| Lejeunecysta serrata | Lutetian | Rupelian |
|
| Lejeunecysta spectabilis | Middle Eocene | Middle Eocene |
|
| Lejeunecysta granosa | Late Eocene | Messinian |
|