Kramarz, Alejandro Gustavo Hystricognath rodents from the Pinturas Formation, Early-Middle Miocene of Patagonia, biostratigraphic and paleoenvironmental implications - Oxford Elsevier Science January 2005 - pp. 199-212 ilus. ISSN: 0895-9811 Subjects--Topical Terms: BIOESTRATIGRAFIAHYSTRICOGNATHIMIOCENOPALEOAMBIENTESRODENTIA Subjects--Geographic Terms: ARGENTINASANTA CRUZ