thin limestone within the sand-rich Ngrayong Formation
from Gunung Geger, West Madura Island at about 112.9° E, 7° S
South East Asia Indonesia
Geological Time: Neogene Miocene
Tf
the image is provided and the identification is done by Dr.
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.
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