Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Baltisphaeridium angulosum | Danian | Danian |
|
| Baltisphaeridium anfractum | Siegenian | Early Frasnian |
|
| Baltisphaeridium andrewsii | Ordovician | Early Famennian |
|
| Baltisphaeridium ancyreum | Llandoverian | Wenlockian |
|
| Baltisphaeridium amalum | Ludlovian | Ludlovian |
|
| Baltisphaeridium alpernii | Llandoverian | Llandoverian |
|
| Baltisphaeridium alloiteauii | Llanvirnian | Early Siegenian |
|
| Baltisphaeridium aliquigranulum | Late Ordovician | Ashgillian |
|
| Baltisphaeridium algerensis | Middle Gothlandian | Middle Gothlandian |
|
| Baltisphaeridium akrochordum | Late Cambrian | Arenigian |
|
| Baltisphaeridium aitholikellum | Late Ludlovian | Emsian |
|
| Baltisphaeridium ainiktum | Late Gedinnian | Late Gedinnian |
|
| Baltisphaeridium affluens | Tremadocian | Llandeilian |
|
| Baltisphaeridium aerolatum | Dinantian | Dinantian |
|
| Baltisphaeridium admixtum | Middle Aptian | Middle Turonian |
|
| Baltisphaeridium adlingans | Tremadocian | Arenigian |
|
| Baltisphaeridium adiastaltum | Caradocian | Ashgillian |
|