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Trilo-Related Gifts

 

EXTINCTIONS CHOICE - Multiple Trilobite Plate
Stock Number  TTRI09
EXTINCTIONS Choice

Name:   Illaenus sp. & Asaphus (Neoasaphus) delphinus
Age:  Ordovician
Formation:  Asery Level
Location:  St. Petersburg, Russia
Size:  Asaphus is 2.7 inches long.
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Here is a gorgeous specimen of two different trilobites from the Ordovician of Russia. On the left side of the plate is an exceptionally clean specimen of an unidentified species of Illaenus. This trilobite is different than any other species of Illaenus we have seen from this site. It has no genal spines and is extremely wide in relation to its length. This Illaenus sp. is slightly arched and beautifully articulated. The condition of the exoskeleton is spectacular. On the right side of the slab is a rare example of Asaphus (Neoasaphus) delphinus. This difficult-to-obtain trilobite has a much more pointed cephalon and pygidium than most species of Asaphus. This arthropod is almost perfectly prone and nicely articulated. Both trilobites are extremely 3-dimensional and preserve great detail. The natural, caramel coloration of the fossils contrasts superbly with the light-colored matrix. The trilobites are well positioned on the natural limestone plate. This is a very aesthetic specimen of two unusual trilobites from the Ordovician of Russia.


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