Ceratocystis perneri Jaekel, 1901.
This animal is a Solute , a primitive Ehinoderm belonging to a group called the Calcichordates. These are the stem group from which the first vertebrates evolved. NIce small but complete example.
Middle Cambrian, Drumian Stage, Buchava Formation.
Buchava quarries, Skryje, Czech Republic.
Matric : 2 cm long.
