To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 3 Species-specific contribution of volumetric growth and tissue convergence to posterior body elongation in vertebrates Ben Steventon, Fernando Duarte, Ronan Lagadec, Sylvie Mazan, Jean-François Nicolas, and Estelle Hirsinger Development 2016. 143:1732-1741; doi: 10.1242/dev.126375 Download Original Video