Oldhamia radiata Forbes.
For a long time this trace fossil puzzled Palaeontologist's. Now though to be the burrows of worm like organisms mining under microbial mats. A superb example from the type locality of the Devillien Stage of the French middle Cambrian.
Middle Cambrian, Devillien.
Deville, Ardennes national Park, France.
Specimen : 13 x 7 cm.
