Cyclolites Coral Fossil, 3-4cm

Cyclolites Coral Fossil, 3-4cm. A free-living scleractinian coral. Thought to have lived on top of loose sediment. The forms and radial structure of the stone are typical of Cyclolite, aka Cycloseris solitary disc corals. The fossil remains of which date to the upper cretaceous period, some 60 to 100 million years ago.