Coral patch reef system and associated facies from southwestern Gondwana: paleoenvironmental evolution of the Oxfordian shallow-marine carbonate platform at Portada Covunco, Neuqué... von Beresi, Matilde S., Cabaleri, Nora G., Löser, Hannes, Armella, Claudia

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Middle Ordovician (Whiterockian) gastropods from central Sonora, Mexico: affinities with Laurentia and the Precordillera von Cuen-Romero, Francisco Javier, Rohr, David M., Noriega-Ruiz, Héctor Arturo, Monreal, Rogelio, Blodgett, Robert B., Beresi, Matilde S., Buitrón-Sánchez, Blanca E.

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Middle Cambrian protospongiid sponges and chancelloriids from the Precordillera of Mendoza Province, western Argentina von Rigby, J. Keith, Beresi, Matilde S

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EARLY ORTHOCERATOID CEPHALOPODS FROM THE ARGENTINE PRECORDILLERA (LOWER–MIDDLE ORDOVICIAN) von KRÖGER, BJÖRN, BERESI, MATILDE S, LANDING, ED

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Hirnantian (Latest Ordovician) sponge spicules from the Precordillera at high latitudes of the Western Gondwana von BERESI, Matilde S., GÓMEZ, Jessica C.

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First hexactinellid spicules from the Late Cambrian olitofish of the Los Sombreros Formation, Tontal Range, San Juan Precordillera, Argentina von Beresi, Matilde S., Banchig, Aldo L.

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Ordovician stratigraphy and biota of Mexico von Cuen-Romero, Francisco Javier, Buitrón-Sánchez, Blanca Estela, Beresi, Matilde S., Palafox-Reyes, Juan J., Monreal, Rogelio

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A centimeter-scale analysis of the Himantian basal strata of the La Chilca Formation (Hirnantian-Early Wenlockian), Central Precordillera, San Juan Province, Argentina: Lithofacies... von GOMEZ, Jessica C., PERALTA, Silvio H., BERESI, Matilde S.

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Sponges and chancelloriids from the Cambrian of western Argentina von Beresi, Matilde S., Rigby, J. Keith

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Cambrian sponge spicules and Chancelloriid sclerites from the Argentine Precordillera: A Review von Beresi, Matilde S.

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Escleritomos de Chancelloria eros y escleritos del Cámbrico medio (Serie 3, Piso 5) de Sonora central, México von Beresi, Matilde S., Buitrón Sánchez, Blanca, Cuen-Romero, Francisco J., Palafox, Juan J.

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Conference Reports von Johnston, Michael, Albanesi, Guillermo L., Ortega, Gladys, Aceñolaza, Florencio G., Aceñolaza, Guillermo F., Peralta, Silvio H., Beresi, Matilde S., Sial, Alcides Nobrega, Sabaté, Pierre, Ferreira, Valderez Pinto, Roberts, James A., Jansa, Luba, Tuysuz, O., Scott, R.W., Hermelin, Michel

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Microfacies, biota y paleoambientes sedimentarios del Ordovícico Temprano-Medio del Cerro Salazar, Sonora central, México von Heredia, Olga Susana, Tortello, M. Franco, Beresi, M. S, Cabaleri, Nora G, Buitrón Sánchez, Blanca Estela, Rodríguez, M. Cecilia

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La Formación Empozada y su relación estratigráfica con la Formación Estancia San Isidro (nom. nov.), Ordovícico de la Precordillera de Mendoza von Heredia, Susana, Beresi, Matilde S.

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Porifera and Chancelloriidae of the Cambrian of Sonora, Mexico: A review von Beresi, Matilde Sylvia

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New reticulosan sponges from the middle Cambrian of Sonora, Mexico von BERESI, Matilde, Botting, Joseph

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Middle Cambrian chancelloriids from the Argentine Precordillera von Beresi, Matilde Sylvia, Bordonaro, Osvaldo Luis

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SPONGE SPICULE ASSEMBLAGES FROM THE MIDDLE ORDOVICIAN OF PONÓN TREHUÉ, SOUTHERN MENDOZA, ARGENTINA von Beresi, Matilde Sylvia, Heredia, Susana Emma

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First record of Ubaghsicystis (Eocrinoidea - Echinodermata) from the Cambrian (Miaolingian, Wuliuan) of Sonora, Mexico: Biostratigraphical and paleoecological considerations von Buitrón-Sánchez, Blanca-Estela,  Cuen-Romero, Francisco-Javier, Beresi, Matilde-Sylvia, Monreal, Rogelio

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El equinodermo Gogia granulosa (Echinodermata: Blastozoa) del Cámbrico temprano-medio en Sonora, México: paleoecología y paleogeografía von Buitrón Sánchez, Blanca E., Cuen Romero, Francisco J., Montijo González, Alejandra, Beresi, Sylvia Matilde

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