Nephrolepidina sp. ---       

Class: Rotaliata  Subclass: Rotaliana  Order: Rotaliida  Family: Lepidocyclinidae
Taxon Profile

found on Java   South East Asia   Indonesia   thin limestone within the sand-rich Ngrayong Formation

from Gunung Geger, West Madura Island at about 112.9° E, 7° S

Geological Time: Neogene  Miocene  
Tf

the image is provided and the identification is done by Dr. Peter Lunt

View of a specimen of Nephrolepidina sp. ---
with the embryont at a stage of evolution typical for the later Early to base Middle Miocene, even in this oblique section the deuteroconch can be seen to be enclosing more than 50% of the protoconch

to the whole thin section

The identification is based upon:
personal notice of the providing scientist, : Plate n.a., Fig. n.a.