Tempo and mode in the replacement of trilobite evolutionary faunas from the Cordillera Oriental basin (Northwestern Argentina)
Keywords: شرقی کوردیلرا; Evolutionary faunas; Trilobites; Early Ordovician; Diversity; Occupancy; Cordillera Oriental; Faunes évolutives; Trilobites; Ordovicien précoce; Diversité; Occupation; Cordillère de l'Est;