Fossil Trilobites – Kettneraspis williamsi and Kainops raymondi


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This unique specimen features spiny Kettneraspis trilobites (one complete and one partial) and a Kainops trilobite in a marlstone matrix.  This  beauty is from the world famous Black Cat Mountain Quarry in Oklahoma.  It was carefully, meticulously, expertly prepared by Bob Carroll to expose each and every tiny detail.  The Black Cat Mountain Quarry produces a limited amount of trilobites of the finest quality each year.

Genus / Species:  Kettneraspis williamsi and Kainops raymondi
Age:  Early Devonian ~ approximately 360 million years
Formation:  Haragan
Location:  Black Cat Mountain, near Clarita, Coal County, Oklahoma, USA

Dimensions: 5.3″ long  x  3.3″ wide  x  1.75″ thick
Weight:  2.14 lbs/972.4 grams



Additional information


Oklahoma, USA