Cambropallas Trilobite Middle Cambrian; 500 million years ago to Permian Period; 252 million years ago The word Trilobite means "three lobes" and this specimen is a great representation of the animal's form. The fossil is surrounded by a limestone matrix that has been cut in an oval shape and removed from the surface to clearly showcase the Left & Right Pleural Lobes and the middle Axial Lobe of the animal. A stand could be fabricated to present the fossil upright for a beautiful natural and historic conversation piece in a home or office. Dimensions: 20 cm x 16 cm; Unknown weight