Data from: Phylogenomic species delimitation dramatically reduces species diversity in an Antarctic adaptive radiation

Elyse Parker, Alex Dornburg, Carl Struthers, Christopher Jones & Thomas Near
Application of genetic data to species delimitation often builds confidence in delimitations previously hypothesized using morphological, ecological, and geographic data and frequently yields recognition of previously-undescribed cryptic diversity. However, a recent critique of genomic data-based species delimitation approaches is that they have the potential to conflate population structure with species diversity, resulting in taxonomic oversplitting. The need for an integrative approach to species delimitation, in which molecular, morphological, ecological, and geographic lines of evidence are...
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