Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium | Precambriam | Holocene |
|
| Baltisphaeridium acanthaceum | Middle Cambrian | Late Cambrian |
|
| Baltisphaeridium accinctum | Ordovician | Wenlockian |
|
| Baltisphaeridium accomodatum | Tremadocian | Silurian |
|
| Baltisphaeridium acer | Arenigian | Baoto |
|
| Baltisphaeridium acerosum | Early Cambrian | Ashgillian |
|
| Baltisphaeridium aciculare | Late Cambrian | Tremadocian |
|
| Baltisphaeridium aciculatum | Triassic | Early Keuper |
|
| Baltisphaeridium aciferum | Tremadocian | Tremadocian |
|
| Baltisphaeridium aculeatum | Early Ordovician | Early Ordovician |
|
| Baltisphaeridium aculigerum | Kimmeridgian | Kimmeridgian |
|
| Baltisphaeridium acuminatum | Late Riphean | Late Riphean |
|
| Baltisphaeridium adiastaltum | Caradocian | Ashgillian |
|
| Baltisphaeridium adlingans | Tremadocian | Arenigian |
|
| Baltisphaeridium admixtum | Middle Aptian | Middle Turonian |
|
| Baltisphaeridium aerolatum | Dinantian | Dinantian |
|
| Baltisphaeridium affluens | Tremadocian | Llandeilian |
|