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Juan Guayasamin
The University of Kansas, United States of America
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5 articles by this author
Systematics of South American snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Ecuador and Peru
Alejandro Arteaga, David Salazar-Valenzuela, Konrad Mebert, Nicolás Peñafiel, Gabriela Aguiar,     Juan C. Sánchez-Nivicela, R. Alexander Pyron, Timothy J. Colston, Diego F. Cisneros-Heredia, Mario H. Yánez-Muñoz, Pablo J. Venegas, Juan M. Guayasamin, Omar Torres-Carvajal
Research Article
doi: 10.3897/zookeys.766.24523
 14-06-2018
 Unique: 3857  |  Total: 6556
 79-147
 Reprint: € 20,20
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A marvelous new glassfrog (Centrolenidae, Hyalinobatrachium) from Amazonian Ecuador
Juan M. Guayasamin,     Diego F. Cisneros-Heredia, Ross J. Maynard, Ryan L. Lynch, Jaime Culebras, Paul S. Hamilton
Research Article
doi: 10.3897/zookeys.673.12108
 12-05-2017
 Unique: 9233  |  Total: 16220
 1-20
 Reprint: € 5,90
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Molecular phylogeny of Atractus (Serpentes, Dipsadidae), with emphasis on Ecuadorian species and the description of three new taxa
Alejandro Arteaga, Konrad Mebert, Jorge H. Valencia,     Diego F. Cisneros-Heredia, Nicolás Peñafiel, Carolina Reyes-Puig, José L. Vieira-Fernandes, Juan M. Guayasamin
Research Article
doi: 10.3897/zookeys.661.11224
 15-03-2017
 Unique: 2730  |  Total: 7313
 91-123
 Reprint: € 10,50
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Systematics of Nothopsini (Serpentes, Dipsadidae), with a new species of Synophis from the Pacific Andean slopes of southwestern Ecuador
Robert Pyron, Juan Guayasamin, Nicolas Peñafiel, Lucas Bustamante, Alejandro Arteaga
Research Article
doi: 10.3897/zookeys.541.6058
 01-12-2015
 Unique: 3073  |  Total: 5826
 109-147
 Reprint: € 11,20
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A new species of Andean toad (Bufonidae, Osornophryne) discovered using molecular and morphological data, with a taxonomic key for the genus
Diego Paez, Juan Guayasamin, Mario Yanez
Research Article
doi: 10.3897/zookeys.108.1129
 17-06-2011
 Unique: 6328  |  Total: 8109
 73-97
 Reprint: € 8,40
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