1.4" Rare, Spathacalymene Trilobite - Indiana (Special Price)

This is an excellent specimen of a rarerare Silurian trilobite from the Osgood Formation in Indiana, Spathacalymene nasuta. This trilobite has a distinctive snout projection off the front of the glabella that may have been used to stir up sediment for feeding. The cross section of a second trilobite can be seen in the rock behind it's tail.