Shop › Small Elrathia Kingi Trilobite Fossil Image 1 of 2 Image 2 of 2 Small Elrathia Kingi Trilobite Fossil $3.00 Small Elrathia Kingi Trilobite FossilApprox. 1/2”Age : 490 MYAPeriod : CambrianUtah, USA Quantity: Add To Cart Added! Small Elrathia Kingi Trilobite FossilApprox. 1/2”Age : 490 MYAPeriod : CambrianUtah, USA