Quasirotalia guamensis  Hanzawa, 1967
Class: Rotaliata  Subclass: Rotaliana  Order: Rotaliida  Family: Calcarinidae
found on Java
dated as about 6 Ma on strontium isotopes, which places it close to the Letter Stage Tf to Th boundary

from an unnamed limestone S.W. of Semarang, North central Java at 110.181453° E, 7.081330° S
   South East Asia   Indonesia
Geological Time: Neogene  Miocene  Messinian
Tf-Th boundary
the image is provided and the identification is done by Dr.
near axial section

to the whole thin section
The identification is based upon:
 personal notice of the providing scientist, :     Plate , Fig. 
dataset number: FEU-1009854