10.1071/RD15425_AC © CSIRO 2017 Supplementary Material: Reproduction, Fertility and Development, 2017, 29(5), 921–930. Supplementary Material Greater sperm complexity in the Australasian old endemic rodents (Tribe: Hydromyini) is associated with increased levels of inter-male sperm competition Hanna J. McLennanA,B, Stefan LüpoldC, Pete SmissenE, Kevin C. RoweD and William G. BreedA,B,F ADiscipline of Anatomy and Pathology, Faculty of Health Sciences, The University of Adelaide, SA 5005, Australia. BRobinson Research Institute, School of Medicine, Faculty of Health Sciences, The University of Adelaide, SA 5005, Australia CDepartment of Evolutionary Biology and Environmental Sciences, University of Zurich, 8057 Zurich, Switzerland. DNatural Sciences Department, Museum Victoria, Melbourne, Vic. 3001, Australia. ESchool of Biosciences, University of Melbourne, Parkville Campus, Melbourne, Vic. 3010, Australia. FCorresponding author. Email:
[email protected] Fig. S1. Phylogeny of the 45 species used in this study. Table S1. Source of specimens and data on body mass, testes mass and sperm dimensions b d c a Division Species Source type Location Collection (g) mass Body Testes mass (g) Relative testes mass (%) Head length (µm) Head width (µm) Apical hook length (µm) Apical hook angle (°) (µm) length process Ventral angle (°) process Ventral (µm) length Midpiece Principal and end piece length (µm) N Hyd Hydromys WC River Torrens, - 3 745e 14.6 2.0 5.0 2.3 5.6 322 4.1 320 20 92 chrysogaster Adelaide, SA, AUS Lor Lorentzimys nouhuysi WC