Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium wenlockense | Late Arenigian | Downtonian |
|
| Baltisphaeridium wepionense | Frasnian | Frasnian |
|
| Baltisphaeridium westii | Nd | Nd |
|
| Baltisphaeridium whitei | Aptian | Maestrichtian |
|
| Baltisphaeridium whiteii | Paleozoic | Campanian |
|
| Baltisphaeridium xanthiopyxides | Paleozoic | Danian |
|
| Baltisphaeridium xingii | Early Cambrian | Early Cambrian |
|
| Baltisphaeridium yunxui | Early Ordovician | Early Ordovician |
|
| Baltisphaeridium zalesskyi | Late Cambrian | Ashgillian |
|
| Baltisphaeridium zinovenkovae | Early Cambrian | Early Cambrian |
|
| Baltisphaeridium ziyangense | Early Ordovician | Early Ordovician |
|
| Baltisphaeridium zonale | Paleozoic | Paleozoic |
|