This is a Cretaceous aged fossil oyster of the species Rastellum carinatum from Dalmiapuram (Kallakkudi formation). 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 […]
Archive for September 6th, 2015
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CT scanning in fossil study
September 6th, 2015 
Riffin A sophisticated imaging technique has allowed scientists to virtually peer inside a 10-million-year-old sea urchin, uncovering a treasure trove of hidden fossils. The international team of researchers from the United Kingdom, Spain and Germany, including Dr Imran Rahman from the University of Bristol, studied the exceptional specimen with the aid of state-of-the-art X-ray computed tomography […]
