Genus Granomarginata

Species total:
42
Age range:
4100 - 230 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Granomarginata squamacea Precambriam Silurian
Granomarginata torosa Middle Riphean Early Cambrian
Granomarginata type A Late Algonkian Late Algonkian
Granomarginata type B Late Algonkian Late Algonkian
Granomarginata type C Late Algonkian Late Algonkian
Granomarginata typica Middle Riphean Late Riphean
Granomarginata vetula Middle Proterozoic Cambrian
Granomarginata vulgaris Precambriam Cambrian