Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium jansonii | Jurassic | Tithonian |
|
| Baltisphaeridium jardinei | Late Ordovician | Devonian |
|
| Baltisphaeridium jilinense | Late Cambrian | Late Cambrian |
|
| Baltisphaeridium jishouense | Arenigian | Arenigian |
|
| Baltisphaeridium jiulaodongense | Early Cambrian | Early Cambrian |
|
| Baltisphaeridium josefae | Llandoverian | Early Gedinnian |
|
| Baltisphaeridium juliae | Tarannon | Emsian |
|
| Baltisphaeridium kahleri | Silurian | Silurian |
|
| Baltisphaeridium kaurannei | Late Arenigian | Late Arenigian |
|
| Baltisphaeridium kenkemense | Middle Cambrian | Middle Cambrian |
|
| Baltisphaeridium kimurae | Miocene | Miocene |
|
| Baltisphaeridium kjellstroemii | Middle Ordovician | Middle Ordovician |
|
| Baltisphaeridium klabavense | Early Paleozoic | Ludlovian |
|
| Baltisphaeridium korykos | Nd | Nd |
|
| Baltisphaeridium korykum | Middle Miocene | Middle Miocene |
|
| Baltisphaeridium kotulskyi | Middle Ordovician | Middle Ordovician |
|
| Baltisphaeridium kunmingense | Late Tremadocian | Ashgillian |
|