Additional file 1.

Sperm dimensions, body mass, testes mass and relative testes size in 226 species of eutherian mammals. Abbreviations: HW: sperm head width (μm). HL: sperm head length (μm). MPL: sperm midpiece length (μm). PPL: sperm principal piece length (μm). TFL: total sperm flagellum length (μm). TSL: total sperm length (μm). B mass: body mass (g). T mass: testes mass (g). RTS: relative testes mass. SD: sperm dimensions.

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Tourmente et al. BMC Evolutionary Biology 2011 11:12   doi:10.1186/1471-2148-11-12