Belemnites (Belemnitida) were squid-like animals belonging to the cephalopod class of the mollusc phylum, and therefore related to the ammonites of old as well as to the modern squids, octopuses and nautiluses. Now extinct, their fossils are found in rocks of Jurassic and Cretaceous ages, with a few species hanging on into the early part […]
Posts Tagged ‘Ariyalur Fossils’
Ariyalur Fossils : Belemnites
September 10th, 2015 
Riffin 
Posted in Featured Post 
Tags: Ariyalur Fossils, Belemnites, Riffin T Sajeev, Russel T Sajeev, WFS, world fossil society 
No Comments »Ariyalur Fossils:Rastellum carinatum
September 6th, 2015 Riffin 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 […]
WFS : Ariyalur Fossils : Rastellum Carinatum
April 16th, 2015 Riffin Rastellum (Arctostrea) carinatum (Lamarck) This upper Cretaceous oyster is characterized by long and curved valves. Stout ribs cross the upper valve. The sample is obtained from Ariyalur/Dalmiapuram area. samples collected by Riffin T Sajeev and Russel T Sajeev from World Fossil society. The Rastellum genus of oysters lived between 161 to 65 million years ago […]
