| Name | From | To | Age range |
|---|---|---|---|
| Fibrocysta | Early Cretaceous | Early Oligocene |
|
| Fibrocysta acornuta | Late Kimmeridgian | Early Purbeckian |
|
| Fibrocysta axialis | Maastrichtian | Chattian |
|
| Fibrocysta baculata | Paleocene | Paleocene |
|
| Fibrocysta bipolaris | Maastrichtian | Middle Eocene |
|
| Fibrocysta capitata | Early Danian | Early Danian |
|
| Fibrocysta ciliata | Middle Eocene | Middle Eocene |
|
| Fibrocysta cincta | Albian | Cenomanian |
|
| Fibrocysta deflandrei | Senonian | Senonian |
|
| Fibrocysta donghaiensis | Early Eocene | Early Eocene |
|
| Fibrocysta dongyingensis | Middle Eocene | Late Eocene |
|
| Fibrocysta essentialis | Paleocene | Paleocene |
|
| Fibrocysta exiguapicis | Early Eocene | Rupelian |
|
| Fibrocysta fusiforma | Middle Miocene | Late Miocene |
|
| Fibrocysta klumppiae | Late Cretaceous | Paleocene |
|
| Fibrocysta lappacea | Campanian | Lutetian |
|
| Fibrocysta licia | Late Maastrichtian | Early Danian |
|