Kettneraspis williamsi

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Vendor: Fossil Soup

SKU Number: SQ1865881

This is a beautiful example of a classic Devonian trilobite from the Haragan Formation of Oklahoma. This specimen of Kettneraspis williamsi was found and prepared by Bob Caroll of Black Cat Mountain Trilobites and has a date of 09 on the back of the matrix.

The free cheeks are tight against the cranidium, the genal and pleural spines are long and complete, the eyes are perfect and the distinctive frill has been carefully prepared in the lab. The occipital spine at the back of the cephalon is also nicely developed. This is a reasonably large example with a body length of about 13/16 inches (See photo) - with spines, the length is approximately 1 3/16 inches.

Full dimensions are listed below.

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Vendor: Fossil Soup

SKU Number: SQ1865881

This is a beautiful example of a classic Devonian trilobite from the Haragan Formation of Oklahoma. This specimen of Kettneraspis williamsi was found and prepared by Bob Caroll of Black Cat Mountain Trilobites and has a date of 09 on the back of the matrix.

The free cheeks are tight against the cranidium, the genal and pleural spines are long and complete, the eyes are perfect and the distinctive frill has been carefully prepared in the lab. The occipital spine at the back of the cephalon is also nicely developed. This is a reasonably large example with a body length of about 13/16 inches (See photo) - with spines, the length is approximately 1 3/16 inches.

Full dimensions are listed below.

Vendor: Fossil Soup

SKU Number: SQ1865881

This is a beautiful example of a classic Devonian trilobite from the Haragan Formation of Oklahoma. This specimen of Kettneraspis williamsi was found and prepared by Bob Caroll of Black Cat Mountain Trilobites and has a date of 09 on the back of the matrix.

The free cheeks are tight against the cranidium, the genal and pleural spines are long and complete, the eyes are perfect and the distinctive frill has been carefully prepared in the lab. The occipital spine at the back of the cephalon is also nicely developed. This is a reasonably large example with a body length of about 13/16 inches (See photo) - with spines, the length is approximately 1 3/16 inches.

Full dimensions are listed below.

Specimen Details
Species Name: Kettneraspis williamsi Order / Family: Lichida / Odontopleuridae Age: Lower Devonian Locality: Black Cat Mountain Formation: Haragan Formation
Matrix Dimensions
Dimensions: In Inches Length: 2 9/16 inches Width: 2 7/16 inches Height: 1 9/16 inches Weight: 11 oz
Specimen Dimensions
Dimensions: In Inches Length: 1 3/16 inches Width: 1 5/16 inches Height: approx. 1/2 inch Weight: 321 grams
Shipping Dimensions
Dimensions: In Inches Length: 10.0 inches Width: 7.0 inches Height: 3.0 inches Weight: 1.0 lbs
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Additional Information

The trilobites of the Haragan Formation in Oklahoma are very similar to those found in the Devonian deposits of Morocco more than 5000 miles away. During the Devonian period about 420 million years ago both localities were on a similar equatorial plane. The rocks of the Haragan and Bois d'Arc formations are part of the Hunton Group that consists of carbonate limestone deposits.

References:

Hunton Rocks


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