A comparison between coral colonies of the genus Madracis and simulated forms - M. V. Filatov; J. A. Kaandorp; M. Postma; R. van Liere; K. J. Kruszyński; M. J. A. Vermeij; G. J. Streekstra; R. P. M. Bak (Proceedings of the Royal Society B-Biological Sciences, 2010)