Genus Pterocystidiopsis

Species total:
22
Age range:
570 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Pterocystidiopsis sp.A Malm Malm
Pterocystidiopsis sp.B Dogger Dogger
Pterocystidiopsis stephaniana Cretaceous Tertiary
Pterocystidiopsis treptensis Oxfordian Kimmeridgian
Pterocystidiopsis velata Early Santonian Early Oligocene