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机译:
Univ Montpellier, Lab Paleontol, Inst Sci Evolut Montpellier, CNRS,IRD,EPHE, Cc 064,Pl Eugene Bataillon, F-34095 Montpellier, France;
CCT CONICET Mendoza, Inst Argentino Nivol Glaciol & Ciencias Ambiental, Av Ruiz Leal S-N,Parque Gral San Martin, RA-5500 Mendoza, Argentina;
Univ Nacl Mayor San Marcos MUSM, Museo Hist Nat, Dept Paleontol Vertebrados, Av Arenales 1256, Lima 11, Peru;
systematics; biostratigraphy; Tinguirirican; Peru; South America;