1.6" Elrathia Kingi Trilobite Fossil Utah Cambrian Age 521 Million Years Old COA Albertosaurus Tooth anatomical complexity

anatomical complexity

Tenontosaurus was a medium- to large-sized ornithopod dinosaur that lived during the Early Cretaceous Period

Dimension: 5 Inches Long

structural complexity

Brachylophosaurus was a medium-sized hadrosaurid dinosaur that lived approximately 76

1.6" Elrathia Kingi Trilobite Fossil Utah Cambrian Age 521 Million Years Old COA Albertosaurus Tooth anatomical complexityLocation: Utah House Range Antelope Springs, Millard County Weight: 0. 3 Ounces Dimensions: 1. 6 Inches Long, 1. 2 Inches Wide, 0. 2 Inches Thick Comes with a free Certificate of Authenticity. The item pictured is the one you will receive. Elrathia Kingi Trilobite Trilobites are an extinct group of marine arthropods belonging to the class Trilobita and are among the earliest arthropods known to science. Their first appearance in the fossil record,