Bargain, 5.8" Spiny Drotops Armatus Trilobite

This is a large, 5.8" long specimen of the super spiny phacopid trilobite, Drotops armatus. With somewhere around 100 free standing spines it would have been a very unappetizing dinner for it's predators.

This specimen is quite large for the species and laid out almost totally prone. It's bargain priced for several reasons. There are quite a few air scribe dings on the shell from preparation. Most of the spines have been reattached and it's hard to tell if the spines are from the same specimen or composites from another specimen. There is a patch of shell restoration on the right cheep of the trilobite, and left hand side of the tail. Good eye facet detail in both eyes.

Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet with over 25k described species, filling nearly every evolutionary niche. Due in large part to a hard exoskeleton (shell), they left a excellent fossil record.
Drotops armatus
5.8" long
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