Genus Sphaeromorphitae

Species total:
5
Age range:
4100 - 1.8 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Sphaeromorphitae Precambriam Tertiary
Sphaeromorphitae sp Algonkian Pliensbachian
Sphaeromorphitae sp.A Early Cretaceous Late Cretaceous
Sphaeromorphitae type 1 Late Rhaetian Hettangian
Sphaeromorphitae type 2 Late Rhaetian Hettangian