Elrathia kingi trilobite mass mortality plate found in the Wheeler Shale, House Range, Millard County, Utah. This small plate measures approximately 3" wide by 3" tall and 1/2" thick. You can see at least 10 visible small complete trilobites surrounding a 1- 1 1/8" large complete trilobite! Some partials and imprints can also be seen on this Mortality Plate.
Stand and Information Card included.
This is called a "Mortality Plate" because it is a frozen snapshot of Mass Death Assemblage from over 500 million years ago!
Elrathia kingi Trilobites are from the Cambrian Period. They first appeared in our oceans approximately 520 Million Years Ago before going Extinct around 250 Million Years Ago.