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TimeTree 5: An Expanded Resource for Species Divergence Times

2022/08/01 by Sudhir Kumar, Michael Suleski, Jack M. Craig +5 · 104 citations
Biochemistry, Genetics and Molecular Biology · Environmental Science · #Genetic diversity and population structure #Genomics and Phylogenetic Studies #Species Distribution and Climate Change

paper · pdf · doi:10.1093/molbev/msac174

openalex publication_date 2022/08/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29

Abstract

We present the fifth edition of the TimeTree of Life resource (TToL5), a product of the timetree of life project that aims to synthesize published molecular timetrees and make evolutionary knowledge easily accessible to all. Using the TToL5 web portal, users can retrieve published studies and divergence times between species, the timeline of a species' evolution beginning with the origin of life, and the timetree for a given evolutionary group at the desired taxonomic rank. TToL5 contains divergence time information on 137,306 species, 41% more than the previous edition. The TToL5 web interface is now ADA-compliant and mobile-friendly, a result of comprehensive source code refactoring. TToL5 also offers programmatic access to species divergence times and timelines through an application programming interface, which is accessible at timetree.temple.edu/api. TToL5 is publicly available at timetree.org.

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