Genus Polysphaeridium
- Species total:
- 82
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polysphaeridium type 461 | Late Albian | Early Cenomanian |
|
| Polysphaeridium sp.2 | Late Albian | Late Albian |
|
| Polysphaeridium williamsii | Cenomanian | Early Turonian |
|
| Polysphaeridium sp.B | Cenomanian | Burdigalian |
|
| Polysphaeridium williamsi | Cenomanian | Paleocene |
|
| Polysphaeridium pastielsii | Cenomanian | Late Neogene |
|
| Polysphaeridium simplex | Late Cretaceous | Middle Miocene |
|
| Polysphaeridium sp.4 Zait.,1967 | Late Cretaceous | Late Cretaceous |
|
| Polysphaeridium majus | Late Cretaceous | Early Eocene |
|
| Polysphaeridium williereae | Senonian | Senonian |
|
| Polysphaeridium granulosum | Campanian | Maastrichtian |
|
| Polysphaeridium sp. Sala.,1991 | Campanian | Maastrichtian |
|
| Polysphaeridium elongatum | Maastrichtian | Maastrichtian |
|
| Polysphaeridium sp.3 | Maastrichtian | Maastrichtian |
|
| Polysphaeridium punctatum | Maastrichtian | Maastrichtian |
|
| Polysphaeridium asperum | Maastrichtian | Early Pliocene |
|
| Polysphaeridium sp.4 | Maastrichtian | Maastrichtian |
|