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Ecology and Evolution

D-Index
58
Citations
14899
World Ranking
2534
National Ranking
897

Overview

R. Alexander Pyron is affiliated with George Washington University in the United States. Their research primarily engages with Environmental Science and Biochemistry, Genetics and Molecular Biology, with a significant focus on the subfields of Global and Planetary Change, Genetics, Ecological Modeling, Molecular Biology, and Paleontology.

Pyron's publication record spans topics largely centered around amphibian and reptile biology, species distribution and climate change, and genetic diversity and population structure. Their research also covers genomics and phylogenetic studies, evolution and paleontology studies, Lepidoptera biology and taxonomy, and wildlife ecology and conservation.

Frequent co-authors of Pyron include:

  • David A. Beamer
  • Timothy J. Colston
  • Kyle A. O'Connell
  • Edward A. Myers
  • Frank T. Burbrink

Pyron's papers have appeared repeatedly in several key scientific venues. Notable frequent publication venues are Zootaxa, bioRxiv (Cold Spring Harbor Laboratory), Bionomina, Zenodo (CERN European Organization for Nuclear Research), and Systematic Biology.

Recent papers authored or co-authored by Pyron include:

  • Phylogenomics Reveals Ancient Gene Tree Discordance in the Amphibian Tree of Life, 2020, Systematic Biology
  • New concepts and methods for phylogenetic taxonomy and nomenclature in zoology, exemplified by a new ranked cladonomy of recent amphibians (Lissamphibia), 2021, Megataxa
  • Empirical and philosophical problems with the subspecies rank, 2022, Ecology and Evolution
  • Phylogenetic and spatial distribution of evolutionary diversification, isolation, and threat in turtles and crocodilians (non-avian archosauromorphs), 2020, BMC Evolutionary Biology
  • The macroevolutionary singularity of snakes, 2024, Science

Best Publications

  • A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes

    R A Pyron;Frank T Burbrink;John J Wiens

  • A large-scale phylogeny of Amphibia including over 2800 species, and a revised classification of extant frogs, salamanders, and caecilians

    R. Alexander Pyron;John J. Wiens

  • The interplay of past diversification and evolutionary isolation with present imperilment across the amphibian tree of life

    Walter Jetz;Walter Jetz;R Alexander Pyron

  • Fully-sampled phylogenies of squamates reveal evolutionary patterns in threat status

    João Filipe Riva Tonini;Karen H. Beard;Rodrigo Barbosa Ferreira;Rodrigo Barbosa Ferreira;Walter Jetz

  • The phylogeny of advanced snakes (Colubroidea), with discovery of a new subfamily and comparison of support methods for likelihood trees.

    R. Alexander Pyron;R. Alexander Pyron;Frank T. Burbrink;Guarino R. Colli;Adrian Nieto Montes de Oca

  • Divergence time estimation using fossils as terminal taxa and the origins of Lissamphibia.

    R. Alexander Pyron;R. Alexander Pyron

  • Phylogenetic niche conservatism and the evolutionary basis of ecological speciation

    R. Alexander Pyron;Gabriel C. Costa;Michael A. Patten;Frank T. Burbrink

  • Biogeographic Analysis Reveals Ancient Continental Vicariance and Recent Oceanic Dispersal in Amphibians

    R. Alexander Pyron

  • Early origin of viviparity and multiple reversions to oviparity in squamate reptiles.

    R. Alexander Pyron;Frank T. Burbrink

  • Large-scale phylogenetic analyses reveal the causes of high tropical amphibian diversity.

    R. Alexander Pyron;John J. Wiens

  • Interrogating Genomic-Scale Data for Squamata (Lizards, Snakes, and Amphisbaenians) Shows no Support for Key Traditional Morphological Relationships

    Frank T Burbrink;Felipe G Grazziotin;R Alexander Pyron;David Cundall

  • PHYLOGENETIC ANALYSES REVEAL UNEXPECTED PATTERNS IN THE EVOLUTION OF REPRODUCTIVE MODES IN FROGS

    Ivan Gomez-Mestre;Robert Alexander Pyron;John J. Wiens

  • EVOLUTIONARY AND BIOGEOGRAPHIC ORIGINS OF HIGH TROPICAL DIVERSITY IN OLD WORLD FROGS (RANIDAE)

    John J. Wiens;Jeet Sukumaran;R. Alexander Pyron;Rafe M. Brown

  • Body sizes and diversification rates of lizards, snakes, amphisbaenians and the tuatara

    Anat Feldman;Niv Sabath;R. Alexander Pyron;Itay Mayrose

  • Phylogenomics Reveals Ancient Gene Tree Discordance in the Amphibian Tree of Life.

    Paul M Hime;Paul M Hime;Alan R Lemmon;Emily C Moriarty Lemmon;Elizabeth Prendini

  • Phylogenetic origins of local-scale diversity patterns and the causes of Amazonian megadiversity

    John J. Wiens;R. Alexander Pyron;Daniel S. Moen

  • Phylogenetic and Trait-Based Prediction of Extinction Risk for Data-Deficient Amphibians

    Pamela González-del-Pliego;Pamela González-del-Pliego;Robert P. Freckleton;David P. Edwards;Michelle S. Koo

  • Fossil-based comparative analyses reveal ancient marine ancestry erased by extinction in ray-finned fishes

    Ricardo Betancur-R;Ricardo Betancur-R;Guillermo Ortí;Robert Alexander Pyron

  • An evaluation of fossil tip-dating versus node-age calibrations in tetraodontiform fishes (Teleostei: Percomorphaceae).

    Dahiana Arcila;Dahiana Arcila;R. Alexander Pyron;James C. Tyler;Guillermo Ortí

  • Lineage diversification in a widespread species: roles for niche divergence and conservatism in the common kingsnake, Lampropeltis getula.

    R. Alexander Pyron;R. Alexander Pyron;Frank T. Burbrink

  • EXTINCTION, ECOLOGICAL OPPORTUNITY, AND THE ORIGINS OF GLOBAL SNAKE DIVERSITY

    R. Alexander Pyron;Frank T. Burbrink

Frequent Co-Authors

Frank T. Burbrink
Frank T. Burbrink American Museum of Natural History
Emily Moriarty Lemmon
Emily Moriarty Lemmon Florida State University
John J. Wiens
John J. Wiens University of Arizona
Alan R. Lemmon
Alan R. Lemmon Florida State University
Guarino R. Colli
Guarino R. Colli University of Brasília
Walter Jetz
Walter Jetz Yale University
Juan M. Guayasamin
Juan M. Guayasamin Universidad San Francisco de Quito
Brice P. Noonan
Brice P. Noonan University of Mississippi
Gabriel C. Costa
Gabriel C. Costa Auburn University at Montgomery
Guillermo Ortí
Guillermo Ortí George Washington University

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