Author

Lucas S. Barrientos

Pontificia Universidad JaverianaORCID 0000-0003-1971-7469Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Evolutionary Biology· 1 Genetics· 1

Signature Assays, Organisms & Methods

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Research Focus:phylogenetics / evolution· 2 Approach:statistical model· 2 Assay:whole-genome sequencing· 1

Frequent Co-Authors

Andrew J. CrawfordiD· 2 shared Camilo SalazariD· 1 shared Carlos E. GuarnizoiD· 1 shared Carolina Pardo‐DíaziD· 1 shared Fabian C. Salgado‐RoaiD· 1 shared Gabrielle GentyiD· 1 shared José D Barros-CastañedaiD· 1 shared Juan P. RamíreziD· 1 shared

Activity by Year

2020-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 27 mutual co-author links

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2 shared papersEvolutionary Biology

Andrew J. CrawfordORCID

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2 papers

Recent·Most cited

Evolutionary BiologybioRxivPreprintMay 29, 2026

Rapid speciation in Harlequin Toads (Anura: Bufonidae) endemic to the Sierra Nevada de Santa Marta

Juan Pablo Ramirez-Romero, Laura M. Eslava, Fabian C. Salgado‐Roa…·Camilo Salazar

This study uses genomic data to investigate rapid speciation in four endemic Atelopus species in the Sierra Nevada de Santa Marta, finding recent divergence without gene flow and suggesting topography and ecological factors drove speciation.

DOI 10.64898/2026.05.28.728521

whole-genome sequencingstatistical model

𝕏 PostBluesky

GeneticsbioRxivPreprintAug 6, 2020

Landscape genetics and species delimitation in the Andean palm rocket frog, Rheobates spp.

Gabrielle Genty, Carlos E. Guarnizo, Juan P. Ramírez…·Andrew J. Crawford

This study uses population genetic analysis to delimit species and assess landscape effects on genetic divergence in Rheobates frogs, finding that local environments, not geographic barriers, drive divergence.

1 citation

statistical modelphylogenetics / evolution

𝕏 PostBluesky