1.35" Kainops Trilobite - Black Cat Mountain, Oklahoma

Kainops Trilobite - Black Cat Mountain, Oklahoma #241420

This is a 1.35" long (if outstretched) specimen of Kainops raymondi from the Haragan Formation of Oklahoma. It was prepared under microscope using air abrasives. This specimen has about 5% shell restoration, primarily on it's glabella.

There is a second very similar species found in the same layers called Paciphacops. The most easily identifiable, distinguishing feature is the number of eye facets. Kainops has substantially more eye facets than Paciphacops does.

Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet: over 25,000 species have been described, filling nearly every evolutionary niche. Due in large part to their hard exoskeletons (shells), they left an excellent fossil record.

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