Genus Mikrocysta

Species total:
5
Age range:
195 - 22.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Mikrocysta Jurassic Paleogene
Mikrocysta bjaerkei Toarcian Toarcian
Mikrocysta erugata Toarcian Late Toarcian
Mikrocysta granulata Late Pliensbachian Toarcian
Mikrocysta rugosa Toarcian Toarcian