Triarthrus eatoni

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Vendor: Gold Bugs

SKU Number: SQ5844655

A Ventrally preserved Triarthrus eatoni trilobite from the Late Ordovician, Frankfort Shale, Beecher’s Trilobite Bed, Lewis County, New York.

This is a truly amazing specimen!  A 2.5cm Triarthrus eatoni in ventral pose featuring some of the best preserved eggs and other anatomy we have seen.  The eggs are laid out flat and appear as nice perfect ovids.  Easily identifiable even to the naked eye.  The antennae have also preserved a very fine and delicate feature-the tiny sensory hairs.  The tiny hairs are so small and delicate they are almost never preserved even in these layers where extraordinary preservation is the norm. 

Below the hypostome is another rarely seen feature in trilobites-the presumed metastome.  The metastome sat behind the hypostome, but just in front and slightly below the mouth.  This plate was likely used to orient food into the mouth.  The mouth opening is also clearly seen on this trilobite.  Incredible specimen!

This is a beautiful and rare trilobite for the discerning collector.

Full dimensions are listed below.

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Vendor: Gold Bugs

SKU Number: SQ5844655

A Ventrally preserved Triarthrus eatoni trilobite from the Late Ordovician, Frankfort Shale, Beecher’s Trilobite Bed, Lewis County, New York.

This is a truly amazing specimen!  A 2.5cm Triarthrus eatoni in ventral pose featuring some of the best preserved eggs and other anatomy we have seen.  The eggs are laid out flat and appear as nice perfect ovids.  Easily identifiable even to the naked eye.  The antennae have also preserved a very fine and delicate feature-the tiny sensory hairs.  The tiny hairs are so small and delicate they are almost never preserved even in these layers where extraordinary preservation is the norm. 

Below the hypostome is another rarely seen feature in trilobites-the presumed metastome.  The metastome sat behind the hypostome, but just in front and slightly below the mouth.  This plate was likely used to orient food into the mouth.  The mouth opening is also clearly seen on this trilobite.  Incredible specimen!

This is a beautiful and rare trilobite for the discerning collector.

Full dimensions are listed below.

Vendor: Gold Bugs

SKU Number: SQ5844655

A Ventrally preserved Triarthrus eatoni trilobite from the Late Ordovician, Frankfort Shale, Beecher’s Trilobite Bed, Lewis County, New York.

This is a truly amazing specimen!  A 2.5cm Triarthrus eatoni in ventral pose featuring some of the best preserved eggs and other anatomy we have seen.  The eggs are laid out flat and appear as nice perfect ovids.  Easily identifiable even to the naked eye.  The antennae have also preserved a very fine and delicate feature-the tiny sensory hairs.  The tiny hairs are so small and delicate they are almost never preserved even in these layers where extraordinary preservation is the norm. 

Below the hypostome is another rarely seen feature in trilobites-the presumed metastome.  The metastome sat behind the hypostome, but just in front and slightly below the mouth.  This plate was likely used to orient food into the mouth.  The mouth opening is also clearly seen on this trilobite.  Incredible specimen!

This is a beautiful and rare trilobite for the discerning collector.

Full dimensions are listed below.

Specimen Details
Species Name: Triarthrus eatoni Order / Family: Ptychopariida / Olenidae Age: Late Ordovician Locality: Lewis County, NY Formation: Frankfort Shale
Matrix Dimensions
Dimensions: In Centimeters Length: 10.50 cm Width: 8.00 cm Thickness: N/A Weight: N/A
Specimen Dimensions
Dimensions: In Millimeters Length: 25.00 mm Width: 14.00 mm Height: Negligible Weight: N/A
Shipping Dimensions
Dimensions: In Inches Length: 10.00 Width: 7.00 Height: 4.00 Weight: 2.00 lbs
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Additional Information

Discovered in 1892 by William S. Valiant and made famous by the work of Charles Emerson Beecher, "Beecher's Trilobite Bed" is located in a small quarry outside of Rome, New York. It is a 4cm thick layer of shale that has yielded some of the most spectacular fossils ever found. The most revered is Triarthrus eatoni, an Upper Ordovician trilobite from the Frankfort Shale of the Lorraine Group. The trilobite bed is a Konservat-Lagerstätte with exceptional soft tissue preservation of antennae, appendages and occasionally egg broods preserved near the underside of the cephalon. There exist only a few sites around the world that preserve this level of detail.
For the last 15+ years the quarry has been owned and managed by Markus Martin, founder of Gold Bugs. Not only is Markus the owner of Gold Bugs, he is the recognized expert on the preparation of fossils from this site.

References:

Charles Emerson Beecher
Triarthrus eatoni
Markus Martin
Gold Bugs
Beecher's Trilobite Bed
Are these trilobite eggs
Trilobite eggs found paired with adult for the first time


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