Author

Profile picture
Juan Guayasamin    
Universidad San Francisco de Quito USFQ
Quito, Ecuador
7 articles by this author
Sort by:
Research Article
Two new species of terrestrial frogs of the Pristimantis gladiator complex (Anura, Strabomantidae) from the Ecuadorian Andes, with insights on their biogeography and skull morphology
    Juan Pablo Reyes-Puig,     Miguel Urgilés-Merchán,     Daniela Franco-Mena,     Juan M. Guayasamin,     Diego Batallas,     Carolina Reyes-Puig
10.3897/zookeys.1180.107333
 26-09-2023
 Unique: 3025 | Total: 4954  | Access Period:
 Reprint: € 14,00
 257-293
HTML
XML
PDF
Research Article
Leaving no stone unturned: three additional new species of Atractus ground snakes (Serpentes, Colubridae) from Ecuador discovered using a biogeographical approach
    Alejandro Arteaga,     Amanda Quezada, Jose Vieira,     Juan M. Guayasamin
10.3897/zookeys.1121.89539
 15-09-2022
 Unique: 3821 | Total: 5138  | Access Period:
 Reprint: € 13,00
 175-210
HTML
XML
PDF
Research Article
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
10.3897/zookeys.766.24523
 14-06-2018
 Unique: 10613 | Total: 18626  | Access Period:
 Reprint: € 24,00
 79-147
HTML
XML
PDF
Research Article
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
10.3897/zookeys.673.12108
 12-05-2017
 Unique: 15578 | Total: 27654  | Access Period:
 Reprint: € 8,00
 1-20
HTML
XML
PDF
Research Article
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
10.3897/zookeys.661.11224
 15-03-2017
 Unique: 6248 | Total: 13808  | Access Period:
 Reprint: € 13,00
 91-123
HTML
XML
PDF
Research Article
Systematics of Nothopsini (Serpentes, Dipsadidae), with a new species of Synophis from the Pacific Andean slopes of southwestern Ecuador
    R. Alexander Pyron,     Juan M. Guayasamin, Nicolás Peñafiel, Lucas Bustamante,     Alejandro Arteaga
10.3897/zookeys.541.6058
 01-12-2015
 Unique: 6159 | Total: 12983  | Access Period:
 Reprint: € 14,00
 109-147
HTML
XML
PDF
Research Article
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
10.3897/zookeys.108.1129
 17-06-2011
 Unique: 8721 | Total: 12001  | Access Period:
 Reprint: € 11,00
 73-97
HTML
XML
PDF

This website uses cookies in order to improve your web experience. Read our Cookies Policy

OK