1 PC Random Pick Large Trilobite Fossil, One Calymene Trilobite Specimen, Educational Fossils, Mineral Specimen

One Calymene Trilobite fossil You will recive one trilobite similar to the photos. Size: 2"-3" Wieght: approx 100g Locality: Morocco Trilobites first appeared in the fossil record at the base of the Atdabanian stage of the Early Cambrian period about 521 million years ago, and they flourished throughout the lower Paleozoic era before beginning a long decline to extinction, during the Devonian, all trilobite orders except the Proetids died out. Trilobites disappeared in the mass extinction at the end of the Permian about 252 million years ago. The trilobites were among the most successful of all early animals, existing in oceans for over 300 million years