Article
The Geometry of Macroevolution: Phenotypic Evolution on Non-Euclidean Manifolds.
The American naturalist - 1 Jun 2026
Boyko James D, Rabosky Daniel L
Abstract excerpt
AbstractPhylogenetic comparative methods typically rely on an often unstated and potentially unrealistic assumption: that phenotypes evolve within a flat Euclidean space. We advocate for explicitly considering the "geometry of macroevolution," proposing that complex developmental and genetic constraints may cause phenotypes to evolve on curved, non-Euclidean manifolds. On such manifolds, the shortest path between...
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