Impressive Mortality plate with two Asaphiscus wheeleri trilobites embedded with rare sparkly pyritic inclusions on them! This mortality plate measures approximately 6.25" tall by 9.5" wide. .
Collected in the Wheeler Shale, House Range, Millard County, Utah.
This is called a "Mortality Plate" because it is a frozen snapshot of a Death Assemblage.
Information card included.
Trilobites (meaning "Three-Lobed"), first appeared in our oceans approximately 521 million years ago before Going extinct around 240 Million Years Ago.