Genus Polysphaeridium
- Species total:
- 82
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Polysphaeridium fabium | Early Cretaceous | Early Cretaceous |
|
Polysphaeridium flexuosum | Valanginian | Aptian |
|
Polysphaeridium fluctuans | Early Eocene | Middle Eocene |
|
Polysphaeridium follium | Early Cretaceous | Early Cretaceous |
|
Polysphaeridium fucosum | Cretaceous | Maastrichtian |
|
Polysphaeridium giganteum | Paleocene | Eocene |
|
Polysphaeridium granulosum | Campanian | Maastrichtian |
|
Polysphaeridium inflectospinum | Oligocene | Serravallian |
|
Polysphaeridium laminaspinosum | Neocomian | Coniacian |
|
Polysphaeridium langii | Middle Rhaetian | Sinemurian |
|
Polysphaeridium lemniscatum | Early Tertiary | Early Tertiary |
|
Polysphaeridium majus | Late Cretaceous | Early Eocene |
|
Polysphaeridium marsupium | Early Cretaceous | Early Cretaceous |
|
Polysphaeridium microtriainum | Lutetian | Lutetian |
|
Polysphaeridium multispinosum | Valanginian | Early Albian |
|
Polysphaeridium ornamentum | Eocene | Eocene |
|
Polysphaeridium pachydermum | Nd | Nd |
|