Vol. 21 No. 2 (2021)

Articles

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  THE RECORD OF THE TYPOTHERE PACHYRUKHOS (MAMMALIA, NOTOUNGULATA) AND THE CHINCHILLID PROLAGOSTOMUS (MAMMALIA, RODENTIA) IN THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) SOUTH TO THE RÍO COYLE, PATAGONIA, ARGENTINA

  Sergio F. Vizcaíno, M. Susana Bargo, Richard F. Kay, M. Sol Raigemborn

  1-15
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  PLIO–LOWER PLEISTOCENE PALEOBOTANICAL RECORD IN THE URUGUAY RIVER VALLEY. SAN SALVADOR FORMATION, (EAST OF THE ENTRE RÍOS PROVINCE, ARGENTINA) PHYTOLITH CHARACTERIZATION.

  Sebastián Ariel Frezzia, Noelia Isabel Patterer, Alejandro Fabián Zucol

  16-33

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  INTRASPECIFIC VARIABILITY IN THE EARLY MIOCENE STRUTHIOLARIID GASTROPOD PERISSODONTA AMEGHINOI (IHERING, 1897) FROM TIERRA DEL FUEGO, ARGENTINA

  Maria I. Lopez Cabrera, Eduardo B. Olivero

  34-52

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  REASSESSING THE FOSSIL RECORD OF LAGOSTOMUS INCISUS AMEGHINO, 1888 (RODENTIA, CAVIOMORPHA) FROM THE LATE NEOGENE OF SOUTHERN SOUTH AMERICA

  Luciano Luis Rasia

  53-61

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