Elrathia kingii

$60.00

Vendor: Gold Bugs

SKU Number: SQ8562602

A small, but perfect red Elrathia kingii from the sought after Middle Cambrian, Wheeler Shale ”Red Beds” locality in Utah. This trilobite on a pinkish and lime green piece of matrix. The matrix is dotted with disarticulated pieces and parts of other trilobites. A great example of these colorful specimens.

Full dimensions are listed below (Dimensions are provided for the largest trilobite only).

Add To Cart

Vendor: Gold Bugs

SKU Number: SQ8562602

A small, but perfect red Elrathia kingii from the sought after Middle Cambrian, Wheeler Shale ”Red Beds” locality in Utah. This trilobite on a pinkish and lime green piece of matrix. The matrix is dotted with disarticulated pieces and parts of other trilobites. A great example of these colorful specimens.

Full dimensions are listed below (Dimensions are provided for the largest trilobite only).

Vendor: Gold Bugs

SKU Number: SQ8562602

A small, but perfect red Elrathia kingii from the sought after Middle Cambrian, Wheeler Shale ”Red Beds” locality in Utah. This trilobite on a pinkish and lime green piece of matrix. The matrix is dotted with disarticulated pieces and parts of other trilobites. A great example of these colorful specimens.

Full dimensions are listed below (Dimensions are provided for the largest trilobite only).

Specimen Details
Species Name: Elrathia Kingii Order / Family: Ptychopariida / Alokistocaridae Age: Middle Cambrian Locality: Millard County, Utah Formation: Wheeler Shale
Matrix Dimensions
Dimensions: In Centimeters Length: 13.00 cm Width: 6.00 cm Height: 1.10 cm Weight: N/A
Specimen Dimensions
Dimensions: In Centimeters Length: 0.75 cm Width: 0.70 cm Height: Negligible Weight: N/A
Shipping Dimensions
Dimensions: In Inches Length: 11.25 inches Width: 8.75 inches Height: 6.0 inches Weight: 2.0 lbs (Medium Flat Rate Box)
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Additional Information

Elrathia kingii is one of the most common trilobites of the Middle Cambrian, wheeler Shale formation in Utah. Its more familiar form is a compressed dark gray mineralized carapace on a mid to dark gray shale. However, the Wheeler Shale has many facies including calcareous shale, shaley limestone, mudstone and thin, flaggy limestone that create amazingly colorful contrasts of reds, yellows, browns and greens.

The rock color combinations are caused by a variety of minerals, including iron and organic carbon. The color of sedimentary rocks reflect the depositional environments, including oxygen levels, organic matter, sedimentation rate, etc. Color is also influenced by transition metals such as iron, magnesium, copper, zinc, titanium and many others. E. kingii is a medium-sized trilobite with a smooth sub-ovate carapace that is tapered towards the rear. Thorax is usually 13 segments. Pygidium has four axial rings and a long terminal piece. Posterior margin of the pygidium has a long broad medial notch.

References:

Elrathia
Wheeler Shale


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