![](http://www.alamy.com/thumbs/6/9384910B-B476-4803-8460-27DA38E7B35B/BG8CCW.jpg)
Trilobite fossil, Acanthopyge sp., Devonian
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Photo credit: © Martin Shields / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: acanthopyge, ancient, animal, animalia, arthropod, arthropoda, arthropods, devonian, early, extinct, fossil, fossilized, invertebrate, invertebrates, marine, primitive, trilobita, trilobite, trilobites