| Name | From | To | Age range |
|---|---|---|---|
| Leiosphaera | Ordovician | Cretaceous |
|
| Leiosphaera acrobiculata | Turonian | Santonian |
|
| Leiosphaera aggereloides | Turonian | Early Coniacian |
|
| Leiosphaera aurata | Early Ordovician | Early Ordovician |
|
| Leiosphaera cirrita | Jackson | Jackson |
|
| Leiosphaera deflandrei | Downtonian | Downtonian |
|
| Leiosphaera diaphana | Late Devonian | Late Devonian |
|
| Leiosphaera dictyota | Silurian | Silurian |
|
| Leiosphaera eisenackii | Early Ordovician | Middle Ordovician |
|
| Leiosphaera globosa | Late Cretaceous | Late Cretaceous |
|
| Leiosphaera granulata | Paleozoic | Paleozoic |
|
| Leiosphaera huronensis | Silurian | Silurian |
|
| Leiosphaera hyalina | Late Oxfordian | Late Kimmeridgian |
|
| Leiosphaera major | Late Devonian | Late Devonian |
|
| Leiosphaera media | Early Ordovician | Early Ordovician |
|
| Leiosphaera megacystis | Silurian | Silurian |
|
| Leiosphaera microcystis | Silurian | Silurian |
|