| | Table of contents
Ameghiniana vol.46 no.3 Buenos Aires July/Sept. 2009  Press Release | | | | |
| Artículos originales | | | | | | · The hexactinellid sponge Cyathophycus from the Upper Ordovician of the Argentine Precordillera
Carrera, Marcelo G; Ortega, Gladys
| | | | | | · Diatoms as indicators of salinity variations during the late Holocene in the Río Negro, Northern Patagonia, Argentina
Escandell, Alejandra; Espinosa, Marcela A; Isla, Federico I
| | | | | | · First conodonts from the Tambolar Formation (Pachaco Facies), Silurian of the Argentine Precordillera, and their biostratigraphic implications
Mestre, Ana
| | | | | | · Brachiopod taxonomic diversity and morphotype distribution in the Ahtiella Argentina Zone (Middle Ordovician), San Juan Formation, Argentina
Sorrentino, Leonor; Benedetto, Juan L; Carrera, Marcelo G
| | | | | | · New palynological data from the Malanzán Formation (Carboniferous), La Rioja Province, Argentina
| | | | | | · Description of the femur of Protomegalonyx Chasicoensis Scillato-yané (Mammalia, Xenarthra, Megalonychidae) from the Arroyo Chasicó Formation (Late Miocene): Systematic consideration on the sloths of Chasicóan Age
Brandoni, Diego
| | | | | | · Fossil woods from the Oligocene of southwestern Patagonia (Río Leona Formation): Atherospermataceae, Myrtaceae, Leguminosae and Anacardiaceae
Pujana, Roberto R
| | | | | | · Cambrian Conodonts and Jujuyaspis Keideli kobayashi (Trilobita) from the Alfarcito member of the Santa Rosita Formation, Quebrada de Humahuaca, Cordillera Oriental of Jujuy
Zeballo, Fernando J; Albanesi, Guillermo L
| | | | | | · A new angiosperm leaf morphotype from the Early Cretaceous (Late Aptian) of San Luis Basin, Argentina
Puebla, Gabriela G
| | | | | Notas paleontológicas | | | | | | | | | |
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