Trilobites Elrathia Kingii Utah 10 fossil plate lot Cambrian

Description

Authentic Elrathia fossil trilobites.Elrathia is a genus of ptychopariid triolobite species that lived during the Middle Cambrian and these come from USA, Utah in the Wheeler formation removed from the classic shale matrix they are found in dated in the middle Cambrian 525 million years ago