Genus Spumosina

Species total:
4
Age range:
4100 - 570 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Spumosina Precambriam Precambriam
Spumosina magnifica Early Cambrian Early Cambrian
Spumosina rubiginosa Late Riphean Vendian
Spumosina spumosa Nd Nd