Genus Baltisphaeridium
- Species total:
- 794
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Baltisphaeridium texanum | Early Cretaceous | Early Cretaceous |
|
Baltisphaeridium armatum | Cretaceous | Senonian |
|
Baltisphaeridium ferox | Cretaceous | Danian |
|
Baltisphaeridium sarjeantii | Late Tithonian | Valanginian |
|
Baltisphaeridium aculigerum | Kimmeridgian | Kimmeridgian |
|
Baltisphaeridium pseudhystrichodinium | Rauracian | Early Eocene |
|
Baltisphaeridium claviculorum | Early Oxfordian | Berriasian |
|
Baltisphaeridium dictyophorum | Late Jurassic | Late Jurassic |
|
Baltisphaeridium sp. Volk.& Quat.,1977 | Late Jurassic | Early Cretaceous |
|
Baltisphaeridium jaculigerum | Middle Bathonian | Late Bathonian |
|
Baltisphaeridium heteracanthum | Middle Bathonian | Late Bathonian |
|
Baltisphaeridium tribuliferum | Middle Jurassic | Late Jurassic |
|
Baltisphaeridium sp.577 de J.& Goub.,1962 | Dogger | Malm |
|
Baltisphaeridium iaculigerum | Dogger | Tithonian |
|
Baltisphaeridium eypensis | Pliensbachian | Late Toarcian |
|
Baltisphaeridium devilispinum | Early Carixian | Toarcian |
|
Baltisphaeridium diversispinosum | Early Jurassic | Early Domerian |
|