Water diviners multiplied: cryptic diversity in the Niphargus aquilex species complex in Northern Europe
D. Weber, T. Brad, A. Weigand, J.-F. Flot
The paper identifies cryptic species within two widespread groundwater amphipod morphospecies, challenging the Rapoport effect by showing morphological stasis rather than range size differences.
bioRxiv · Aug 13, 2023 · PreprintZoology