Trilobite Mortality Plate
Trilobite Mortality Plate
Trilobite Mortality Plate
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Trilobite Mortality Plate

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*Authentic and very Unique Mass Mortality Plate of Elrathia Kingi Trilobites found in the West Desert of Utah. There are 11 small (1/4" and less) Complete and some upside down Trilobites on this plate measuring 6" wide, 3" tall and 3/8" thick. 

*Also seen on the right side of the plate are remnants of a Sponge or Eocrinoid from the Cambrian Period.

*This is called a "Mortality Plate" because it is a frozen snapshot of a Mass Death Assemblage.

*Stand and Information Card Included.

*Specimens from the Cambrian Period Found in the Utah West Desert.

*Trilobites (meaning "Three-Lobed"), First Appeared In Our Oceans Approximately 550 Million Years Ago Before Going Extinct around 240 Million Years Ago.

*Near Complete (Molt) Trilobites are found more often than Complete Trilobites.  Approximately a 4 (NC) to 1 (C) ratio.