Vol. 57 No. 4 (2020)

Articles

• FOSSIL WOODS FROM THE MIDDLE MIOCENE (RÍO CORRENTOSO FORMATION) OF PATAGONIA (NORTHERN SANTA CRUZ PROVINCE, ARGENTINA)

  Roberto R. Pujana, Inés Aramendía, José I. Cuitiño

  289–301

  • Requires Subscription PDF

• A WIDESPREAD, NEARLY MONOSPECIFIC SILICIFIED COCCOIDAL MICROBIOTA FROM THE PERMIAN OF BRAZIL (ASSISTÊNCIA FORMATION, IRATI SUBGROUP, PARANÁ BASIN)

  Cléber Pereira Calça, Thomas R. Fairchild

  302–326

  • Requires Subscription PDF

• A BRIEF REVIEW OF THE STUDY OF SYMBIOTIC RELATIONSHIPS IN EXTANT AND FOSSIL FORAMINIFERA

  Victoria Keitelman

  327–335

  • Requires Subscription PDF

• FIRST RECORD OF THE CO-OCCURRENCE OF PLATYXANTHID AND VARUNID CRABS FROM MID-HOLOCENE DEPOSITS OF NORTHEASTERN BUENOS AIRES PROVINCE, ARGENTINA. PALEOENVIRONMENTAL IMPLICATIONS

  Cristian A. Pereyra, Ricardo M. Garberoglio

  336–343

  • Requires Subscription PDF

• AGE CONSTRAINTS ON THE PORTEZUELO DEL TONTAL FORMATION (MIDDLE–UPPER ORDOVICIAN) OF THE WESTERN ARGENTINE PRECORDILLERA: FIRST INSIGHTS FROM CONODONT BIOSTRATIGRAPHY

  Gustavo G. Voldman, Aldo L. Banchig

  344–353

  • Requires Subscription PDF

• COTYLAR FOSSA, ITS INTERPRETATION AND FUNCTIONALITY. THE CASE FROM SOUTH AMERICAN NATIVE UNGULATES

  Malena Lorente

  354–369

  • Requires Subscription PDF

• A REVIEW OF VERTEBRATE BEAK MORPHOLOGIES IN THE TRIASSIC; A FRAMEWORK TO CHARACTERIZE AN ENIGMATIC BEAK FROM THE ISCHIGUALASTO FORMATION, SAN JUAN, ARGENTINA

  Brenen M. Wynd, Ricardo N. Martinez, Carina Colombi, Oscar Alcober

  370–387

  • Requires Subscription PDF