AMEGHINIANA

DIVERSITY, AFFINITIES AND ADAPTATIONS OF THE BASAL SPARASSODONT PATENE SIMPSON, 1935 (MAMMALIA, METATHERIA)

EVOLUTION OF SMALL MAMMAL COMMUNITIES DURING THE LATE QUATERNARY IN A MIDDLE-ALTITUDE VALLEY OF NORTHWESTERN ARGENTINA

The Brachiopod Dalmanella testudinaria across the End Ordovician Extinction Event in the Cuyania Terrane of Western Argentina

Silurian and Devonian Autobranchia Grammysiidae Bivalves from Bolivia

DIAGENETIC CHARACTERIZATION OF DINOSAUR REMAINS THROUGH HISTOLOGY IN FLUVIAL CONTEXTS FROM THE UPPER CRETACEOUS OF THE LONCOCHE FORMATION, MENDOZA, ARGENTINA

ASTRAPOTHERIUM FROM THE MIDDLE MIOCENE COLLÓN CURA FORMATION AND THE DECLINE OF ASTRAPOTHERES IN SOUTHERN SOUTH AMERICA

Trilobites and Sedimentary Settings from the Lower Ordovician (Tremadocian; Bienvillia tetragonalis Biozone) of Iturbe, Jujuy Province, Argentina

The Pre-Oligocene Diversity of Hypsodont Typotherians (Mammalia, Notoungulata) in Northwestern Argentina

An Eocene Bunodont South American Native Ungulate (Didolodontidae) from the Lumbrera Formation, Salta Province, Argentina

New Records of the Enigmatic Neotropical Fossil Fish Acregoliath rancii (Teleostei Incertae sedis) from the Middle Miocene Honda Group of Colombia

The First Record of a Miocene Terrestrial Mammal (Astrapotheria: Uruguaytheriinae) from Northern Coastal Peru

First Pterosaur Post-Cranial Remains from the Lower Cretaceous Lohan Cura Formation (Albian) of Patagonia, Argentina

Shell Variability in Trophon geversianus (Gastropoda: Muricidae) at Caleta de los Loros (Northern Patagonia, Argentina) during the Late Holocene: A Strong Local Imprint

The Limb Anatomy of Isotemnus, One of the Most Basal Toxodontid Notoungulates (Mammalia, Paso Del Sapo Fauna)

Cayaoa bruneti (Aves: Anseriformes) from the Early Miocene of Patagonia, Argentina: New Materials and Revised Diagnosis

Intraspecific Variation of One of the Oldest Litopterna (Mammalia), Protolipterna ellipsodontoides, and Redescription of the Species

Late Tortonian–Middle Messinian Palaeoenvironmental Changes in the Western Betic Strait (SW Spain)

Revision of the Coral Fauna of an Upper Jurassic Patch Reef from the La Manga Formation, Neuquén Basin, Argentina

Assessing the Influence of Saline and Alkaline Environments in the Preservation of Pampean Diatoms: An Experimental Approach

The Large-Bodied Dicynodont Stahleckeria (Synapsida, Anomodontia) from the Upper Triassic (Carnian) Chañares Formation (Argentina); New Data for Triassic Gondwanan Biogeography

First Record of the Family Histeridae (Insecta: Coleoptera) in a Late Pleistocene Sequence from Chile

Palynology, Palynofacies and Geochemistry on the Triassic Casa Piedra Formation, Rincón Blanco Group, Argentine Precordillera: Depositional Environment and Hydrocarbon Potential

First Fossil Wood from the Northern Pampa (Upper Pleistocene), Santa Fe Province, Argentina

New Barremian Macroinvertebrates from the Huitrín Formation, Mendoza Province (Argentina) and Their Paleoecological Implications

A New Genus and Two New Species of Fossil Continental Gastropods from the Early Pliocene of Argentina (Mollusca)

A New Genus and Species of Chaperiidae (Bryozoa: Cheilostomata) from the Early Miocene of Patagonia (Argentina)

Brief Comment on the Brain and Inner Ear of Giganotosaurus carolinii (Dinosauria: Theropoda) Based on CT Scans

The Scope of Traditional and Geometric Morphometrics for Inferences of Diet in Carnivorous Fossil Mammals

First Record of Carnivora (Puma Lineage, Felidae) in the Uquía Formation (Late Pliocene–Early Pleistocene, NW Argentina) and Its Significance in the Great American Biotic Interchange