Psychopyge elegans Trilobite from Morocco (758 grams)
This is one of the most famous members of the trilobites' most famous family, the Phacopida, known for their huge compound eyes. Psychopyge is defined by an extremely long appendage at the end of the nose. Speculation as to this adaption ranges from sexual selection to a burrowing appendage.
Species: Psychopyge elegans
Age: Upper Devonian: 400-380 MYO
Location: Djbel Ougrat, Morocco
Size: 4 x 5 x 3.5 inches
Weight: 758 grams