1.12" Cambrian Ellipsocephalus Trilobite Fossil - Czech Republic

Here's a specimen of the classic trilobite Ellipsocephalus hoffi from the Czech Republic. It's just over an inch in length and beautifully preserved. One edge of the rock has been cut flat for presentation purposes.

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.
Ellipsocephalus hoffi
Jince, Czech Republic
Jince Formation
1.12" long on 2.9 x 2.5" rock
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