Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium cratoechinatum | Barremian | Early Cenomanian |
|
| Baltisphaeridium type 429 | Barremian | Early Cenomanian |
|
| Baltisphaeridium stellatum | Middle Cretaceous | Early Cenomanian |
|
| Baltisphaeridium whitei | Aptian | Maestrichtian |
|
| Baltisphaeridium crameri | Aptian | Campanian |
|
| Baltisphaeridium admixtum | Middle Aptian | Middle Turonian |
|
| Baltisphaeridium rallum | Albian | Albian |
|
| Baltisphaeridium erectum | Albian | Santonian |
|
| Baltisphaeridium turbinatum | Albian | Middle Turonian |
|
| Baltisphaeridium planispinum | Albian | Albian |
|
| Baltisphaeridium sp.A Sing.,1971 | Middle Albian | Middle Albian |
|
| Baltisphaeridium sp.1 Agas.,1969 | Late Albian | Cenomanian |
|
| Baltisphaeridium type 400 | Late Albian | Early Cenomanian |
|
| Baltisphaeridium bifidum | Late Albian | Maastrichtian |
|
| Baltisphaeridium type 425 | Late Albian | Early Cenomanian |
|
| Baltisphaeridium type 427 | Late Albian | Late Albian |
|
| Baltisphaeridium type 406 | Late Albian | Late Albian |
|