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Early species had long
a few of its skeletal elements are noteworthy
quite gibbous in the forepart
Their social structure was probably the same as that of African and Asian elephants
Psychopyge elegans, trilobite (Replica) Triceratops Early species had longIn addition to its many spines this very unusual trilobite also has a large spine or appendage on the front of the head. This specimen is from the Hamar Laghdad Formation, Alnif region, Morocco. Trilobites are very well known, and possibly the second most famous fossil group after the dinosaurs with some 15,000 known species. Trilobites are extinct arthropods that form the class Trilobita. They appeared at the start of the Cambrian period and
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