1.- A GIANT PERMIAN FUSULINID FROM EAST-CENTRAL ALASKA WITH COMPARISONS OF ALL GIANT FUSULINIDS IN WESTERN NORTH AMERICA PALEONTOLOGICAL SOCIETY; LAWRENCE, KS; USA; UNITED STATES, 1995 Ver registro 2.- Ancient ash beds in the type area of the Middle Permian, Guadalupe Mountains National Park, West Texas, USA Geological Society of America (GSA); Boulder, CO; USA; United States, 2007 Geological Society of America, 2007 annual meeting Ver registro 3.- BARRANCA D'OLINALA (GUERRERO); UNE COUPE DE REFERENCE POUR LE PERMIEN DU MEXIQUE CENTRAL; ETUDE PRELIMINAIRE ;THE OLINALA GORGE (GUERRERO); A REPRESENTATIVE SECTION OF THE PERMIAN IN CENTRAL MEXICO; PRELIMINARY STUDY SOCIETE GEOLOGIQUE DU NORD; LILLE; FRA; FRANCE, 1993 Ver registro 4.- Environmental and climatic aspects of late Cisuralian-Guadalupian floras from Parana Basin (SE South America), west Gondwana, Brazil [International Geological Congress]; [location varies]; III; International, 2008 33rd international geological congress; abstracts Ver registro 5.- GUADALUPIAN AND LOPINGIAN (MIDDLE AND LATE PERMIAN) DEPOSITS FROM MEXICO AND GUATEMALA; A REVIEW WITH NEW DATA UNIVERSITE CLAUDE BERNARD, DEPARTEMENT DE GEOLOGIE; LYON; FRA; FRANCE, 2004 Ver registro 6.- LATE PERMIAN (GUADALUPIAN) LST/TST MUD-RICH SPONGE BIOHERMS: THEIR SEQUENCE STRATIGRAPHIC ARCHITECTURE AND OCCURRENCE ON AN OVERSTEEPENED, GULLIED RAMP-MARGIN, SAN ANDRES FM., LAST CHANCE CANYON, GUADALUPE MOUNTAINS, NEW MEXICO, USA ALICANTE: UNIV. ALICANTE, 1998 15TH. INTERNATIONAL SEDIMENTOLOGICAL CONGRESS. ABSTRACTS Ver registro 7.- Lepidophylloides corumbataensis sp. nov. from the Guadalupian in the Parana Basin, southern Brazil Elsevier; Amsterdam; NLD; Netherlands, 2010 Ver registro 8.- LIVING DESERT ZOO AND GARDENS STATE PARK; NEW MEXICO STATE PARK SERIES NEW MEXICO BUREAU OF MINES AND MINERAL RESOURCES; SOCORRO, NM; USA; UNITED STATES, 2001 Ver registro 9.- Lycopodiopsis derbyi Renault from the Corumbatai Formation in the state of Sao Paulo (Guadalupian of Parana Basin, southern Brazil); new data from compressed silicified stems Elsevier; Amsterdam; NLD; Netherlands, 2009 Ver registro 10.- Microbial and cement boundstone dominated carbonate platform margins; implications and models [International Geological Congress]; [location varies]; III; International, 2004 Italia 2004; 32nd international geological congress; abstracts Ver registro