Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium rabiosum | Ludlovian | Emsian |
|
| Baltisphaeridium raczii | Early Devonian | Emsian |
|
| Baltisphaeridium radiale | Famennian | Famennian |
|
| Baltisphaeridium radiatum | Early Ordovician | Early Ordovician |
|
| Baltisphaeridium rakoae | Early Llandoverian | Early Llandoverian |
|
| Baltisphaeridium rallum | Albian | Albian |
|
| Baltisphaeridium ramidenticulatum | Silurian | Silurian |
|
| Baltisphaeridium ramiferum | Late Caradocian | Early Ashgillian |
|
| Baltisphaeridium ramispinosum | Middle Wenlockian | Early Famennian |
|
| Baltisphaeridium ramuliferum | Paleozoic | Cenozoic |
|
| Baltisphaeridium ramusculosum | Paleozoic | Emsian |
|
| Baltisphaeridium rarum | Middle Llandoverian | Late Llandoverian |
|
| Baltisphaeridium rarusente | Vendian | Vendian |
|
| Baltisphaeridium raspum | Arenigian | Emsian |
|
| Baltisphaeridium ravicosum | Early Arenigian | Middle Arenigian |
|
| Baltisphaeridium ravum | Arenigian | Devonian |
|
| Baltisphaeridium rectangulare | Llandeilian | Llandeilian |
|