Genus Spirellina
- Species total:
- 9
- Age range:
- 160 - 94 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Spirellina | Early Cretaceous | Early Cretaceous |
|
Spirellina alata | Early Cretaceous | Middle Albian |
|
Spirellina alipterioides | Late Jurassic | Late Jurassic |
|
Spirellina binocularica | Early Cretaceous | Cenomanian |
|
Spirellina plicata | Early Cretaceous | Early Cretaceous |
|
Spirellina sacculifera | Early Cretaceous | Cenomanian |
|
Spirellina simplecissima | Valanginian | Valanginian |
|
Spirellina simplicissima | Early Cretaceous | Middle Albian |
|
Spirellina simplicissimiforme | Late Jurassic | Late Jurassic |
|