Editorial: Dating the Tree of Life by R. Alexander Pyron, Michel Laurin

Get full text

Claims of potential expansion throughout the U.S. by invasive python species are contradicted by ecological niche models. by R Alexander Pyron, Frank T Burbrink, Timothy J Guiher

Get full text

Phylogenetic and spatial distribution of evolutionary diversification, isolation, and threat in turtles and crocodilians (non-avian archosauromorphs) by Timothy J. Colston, Pallavi Kulkarni, Walter Jetz, R. Alexander Pyron

Get full text

Additions to the phylogeny of colubrine snakes in Southwestern Asia, with description of a new genus and species (Serpentes: Colubridae: Colubrinae) by Mahdi Rajabizadeh, R. Alexander Pyron, Roman Nazarov, Nikolay A. Poyarkov, Dominique Adriaens, Anthony Herrel

Get full text

Comparative Phylogeography Reveals Cryptic Diversity and Repeated Patterns of Cladogenesis for Amphibians and Reptiles in Northwestern Ecuador. by Alejandro Arteaga, R Alexander Pyron, Nicolás Peñafiel, Paulina Romero-Barreto, Jaime Culebras, Lucas Bustamante, Mario H Yánez-Muñoz, Juan M Guayasamin

Get full text

Multilocus environmental adaptation and population structure in the Cerrado gecko Gymnodactylus amarali (Sauria, Phyllodactylidae) from Serra da Mesa Hydroelectric Plant, Central B... by Rogério Benevides Miranda, Rogério Benevides Miranda, Reuber Albuquerque Brandão, Kyle O’Connell, Guarino Rinaldi Colli, João F. R. Tonini, R. Alexander Pyron

Get full text

A new species of Dipsas (Serpentes, Dipsadidae) from central Panama by Julie M. Ray, Paola Sánchez-Martínez, Abel Batista, Daniel G. Mulcahy, Coleman M. Sheehy III, Eric N. Smith, R. Alexander Pyron, Alejandro Arteaga

Get full text

Diversification of the rainfrog Pristimantis ornatissimus in the lowlands and Andean foothills of Ecuador. by Juan M Guayasamin, Carl R Hutter, Elicio E Tapia, Jaime Culebras, Nicolás Peñafiel, R Alexander Pyron, Carlos Morochz, W Chris Funk, Alejandro Arteaga

Get full text

Cryptic, Sympatric Diversity in Tegu Lizards of the Tupinambis teguixin Group (Squamata, Sauria, Teiidae) and the Description of Three New Species. by John C Murphy, Michael J Jowers, Richard M Lehtinen, Stevland P Charles, Guarino R Colli, Ayrton K Peres, Catriona R Hendry, R Alexander Pyron

Get full text

A giant tyrannosaur from the Campanian–Maastrichtian of southern North America and the evolution of tyrannosaurid gigantism by Sebastian G. Dalman, Mark A. Loewen, R. Alexander Pyron, Steven E. Jasinski, D. Edward Malinzak, Spencer G. Lucas, Anthony R. Fiorillo, Philip J. Currie, Nicholas R. Longrich

Get full text

Systematic revision of the Eyelash Palm-Pitviper Bothriechis schlegelii (Serpentes, Viperidae), with the description of five new species and revalidation of three by Alejandro Arteaga, R. Alexander Pyron, Abel Batista, Jose Vieira, Elson Meneses Pelayo, Eric N. Smith, César L. Barrio Amorós, Claudia Koch, Stefanie Agne, Jorge H. Valencia, Lucas Bustamante, Kyle J. Harris

Get full text

Systematics of South American snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Ecuador and Peru by 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

Get full text

A Dataset of Amphibian Species in U.S. National Parks by Benjamin J. LaFrance, Andrew M. Ray, Robert N. Fisher, Evan H. Campbell Grant, Charles Shafer, David A. Beamer, Stephen F. Spear, Todd W. Pierson, Jon M. Davenport, Matthew L. Niemiller, R. Alexander Pyron, Brad M. Glorioso, William J. Barichivich, Brian J. Halstead, Kory G. Roberts, Blake R. Hossack

Get full text