Genus Spirellina

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