Species Delimitation Using Genomic Data: Options and Limitations.

ABSTRACT: The most effective approaches for species discovery and species validation with genomic data remain underexplored. This study evaluates the merits and limitations of phylogenetic approaches based on the multispecies coalescent model and population genetic approaches for species discovery, i.e., species delimitation in the absence of prior knowledge, using genomic datasets from four well-known radiations. Furthermore, it demonstrates how geographic data can be integrated with the genomic data for species validation, i.e., for testing primary species hypotheses. The multispecies coalescent model-based approaches tr2 and soda resulted in high over-splitting of species, low percentages of species delimited according to the current classification, and low percentages of individuals assigned to

SUBMITTER: Hausdorf B 

PROVIDER: S-EPMC11974488 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature