Tortello, M.Franco Occurrence of the early Ordovician Trilobite Jujuyaspis Keideli Kobayashi in the Despensa Formation, Aguilar Range, Northwestern Argentina. Relevamiento: 2003. Subjects--Topical Terms: Formación despensaJujuyaspisTrilobite Subjects--Geographic Terms: El AguilarNOA Index Terms--Genre/Form: ArtÃculo