Posts Tagged ‘WFS : Ariyalur Cretaceous fossils : Arctostrea’

WFS : Ariyalur Cretaceous fossils : Arctostrea

This is a Cretaceous aged fossil oyster of the species Rastellum carinatum from Dalmiapuram. It has wide, angled ribs that have led to it being called the ‘denture clam’. The zig-zag join between the two shells stopped coarse dirt and debris entering the shell and damaging its soft body. Like modern oysters it lived in […]