bioRxiv preprint doi: https://doi.org/10.1101/755207; this version posted September 5, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 Dispersal ability predicts evolutionary success among mammalian carnivores 2 Authors: S. Faurby1,2,*, L. Werdelin3, A. Antonelli1,2,4 3 Affiliations: 4 1Department of Biological and Environmental Sciences, University of Gothenburg, Box 461, SE 5 40530, Göteborg, Sweden 6 2Gothenburg Global Biodiversity Centre, Box 461, SE 40530 Göteborg, Sweden 7 3Swedish Museum of Natural History, Department of Palaeobiology, Box 50007, SE 10405 8 Stockholm, Sweden 9 4Royal Botanic Gardens, Kew, TW9 3AE, Richmond, Surrey, UK 10 *Correspondence to:
[email protected] 11 12 Abstract 13 Understanding why some clades contain more species than others is a major challenge in evolutionary 14 biology, and variation in dispersal ability and its connection to diversification rate may be part of the 15 explanation. Several studies have suggested a negative relationship between dispersal capacity and 16 diversification rate among living mammals. However, this pattern may differ when also considering 17 extinct species, given known extinction biases. The colonization of new areas by various lineages may 18 be associated with both diversity increases in those colonising lineages and declines in the lineages 19 already present. Past diversity declines are, however, effectively impossible to infer based on 20 phylogenies of extant taxa, and the underlying process may, therefore, be difficult to determine. Here 21 we produce a novel species-level phylogeny of all known extant and extinct species of the order 22 Carnivora and related extinct groups (1,723 species in total) to show that there is instead a positive 23 relationship between dispersal rate and diversification rate when all extinct species are included.