Candela, Adriana Magdalena A new porcupine (Rodentia, Hystricognathi, Erethizontidae) from the early and middle Miocene of Patagonia - Buenos Aires Asociación Paleontológica Argentina 2003 - pp. 483-494 ilus. Subjects--Topical Terms: ERETHIZONTIDAEHYSTRICOGNATHIMIOCENORODENTIA Subjects--Geographic Terms: ARGENTINAPATAGONIA