Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium nakajoense | Early Miocene | Middle Miocene |
|
| Baltisphaeridium nalivkinii | Tremadocian | Tremadocian |
|
| Baltisphaeridium nannacanthum | Scythian | Anisian |
|
| Baltisphaeridium nanninum | Proterozoic | Silurian |
|
| Baltisphaeridium nanum | Ordovician | Late Eocene |
|
| Baltisphaeridium nanus | Nd | Nd |
|
| Baltisphaeridium neahgae | Early Gothlandian | Wenlockian |
|
| Baltisphaeridium neptunii | Paleozoic | Albian |
|
| Baltisphaeridium nudatum | Early Ordovician | Early Ordovician |
|
| Baltisphaeridium nudum | Tremadocian | Silurian |
|
| Baltisphaeridium oblongatum | Late Cambrian | Late Cambrian |
|
| Baltisphaeridium oblongum | Early Paleozoic | Early Wenlockian |
|
| Baltisphaeridium obtusatum | Late Llanvirnian | Late Llanvirnian |
|
| Baltisphaeridium obtusum | Llandoverian | Llandoverian |
|
| Baltisphaeridium octospinosum | Late Devonian | Late Devonian |
|
| Baltisphaeridium oejlemyrensis | Late Ordovician | Late Ordovician |
|
| Baltisphaeridium ohioense | Late Devonian | Early Mississippian |
|