Parabolina Trilobite from Argentina

Description: This trilobite belongs to the genus Parabolina, an index fossil for the earliest Ordovician Trilobites from Argentina are not easy to obtain, as the country has banned sale of fossils. This example was obtained from an old collection, and is unlikely to be replaced. Note the partial specimen on the reverse. The first examples actually came from Bolivia, but the generic species name argentina was given nonetheless.