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R. Alexander Pyron | Researchclopedia

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R. Alexander Pyron

George Washington University ORCID

180

Works

13,081

Citations

56

h-index

105

i10-index

Research Topics

Amphibian and Reptile Biology Species Distribution and Climate Change Evolution and Paleontology Studies

Affiliations

Smithsonian Institution2018–2025

The Graduate Center, CUNY2008–2013

Piedmont College2007–2007

Georgia Institute of Technology2025–2025

American Museum of Natural History2013–2025

Top Works

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

R. Alexander Pyron,Frank T. Burbrink,et al.

20131,655 citations

Genetic diversity and population structure

Genomics and Phylogenetic Studies

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

20111,394 citations

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

Walter Jetz,R. Alexander Pyron

2018606 citations

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

João F. R. Tonini,Karen H. Beard,et al.

2016499 citations

Divergence Time Estimation Using Fossils as Terminal Taxa and the Origins of Lissamphibia

R. Alexander Pyron

2011425 citations

Phylogenetic niche conservatism and the evolutionary basis of ecological speciation

R. Alexander Pyron,Gabriel C. Costa,et al.

2014365 citations

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

R. Alexander Pyron

2014348 citations

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

R. Alexander Pyron,Frank T. Burbrink,et al.

2010319 citations

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

R. Alexander Pyron,Frank T. Burbrink

2013314 citations