Volume 75, Issue 3, May 2026

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Machine Learning and New Inference Algorithms Virtual Issue: expanding what is possible in evolutionary biology and phylogenetic analysis

Discover the new Virtual Issue from Systematic Biology. This virtual issue assembles a series of papers that offer potential solutions and paths forward to address these and related challenges.

Discover the Virtual Issue today

75th Anniversary Special Collection

An Evolving View of Lineage Diversification

Pascal O Title and others

Spotlight Article

Phylogenomics of a Genus of "Great Speciators" Reveals Rampant Incomplete Lineage Sorting, Gene Flow, and Mitochondrial Discordance in Island Systems

Jenna M McCullough and others

Research Articles

Evolutionary Rate Incongruences in Squamates Reveal Contrasting Patterns of Evolutionary Novelties and Innovation

Tiago R SimÃµes and others

Bioinformatics of Combined Nuclear and Mitochondrial Phylogenomics to Define Key Nodes for the Classification of Coleoptera

Thomas J Creedy and others

Integrating Genomics, Collections, and Community Science to Delimit Species Clarifies the Taxonomy of a Variable Monitor Lizard (Varanus tristis)

Carlos J PavÃ³n-VÃ¡zquez and others

Hybridization and Polyploidy Shaped the Evolutionary History of a Complex of Cryptic Species in European Woodrushes (Luzula sect. Luzula)

Valentin Heimer and others

Introgressed Variants Obscure Phylogenetic Relationships but Are Not Subject to Positive Selection in Australasian Long-Tailed Parrots

Brian Tilston Smith and others

No Consistent Effect of Migration on Speciation Rates in Two Avian Superfamilies: A Check on the Robustness of Trait-Dependent Diversification Methods

Gina M Calabrese and others

Editor's Choice

Nuclear Phylogenomic Insights into Relationships, Support, and Conflict Among the Early Diverging Lineages of the Megadiverse Epidendroid Orchids

Craig F Barrett and others

Site-Specific Structure and Stability Constrained Substitution Models Improve Phylogenetic Inference

Ivan Lorca-Alonso and others

Software for Systematics and Evolution

DupLoss-2: Improved Phylogenomic Species Tree Inference under Gene Duplication and Loss

Rachel A Parsons and Mukul S Bansal

Correction

Correction to: Considering Decoupled Phenotypic Diversification Between Ontogenetic Phases in Macroevolution: An Example Using Triggerfishes (Balistidae)

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