 A suborder named in 1893 by Sharpe, Didi was defined as a group including only the massive birds, that were sister to Columbidae, from the Mascarene Islands of Mauritius, Réunion, and Rodrigues.Features grouping Didi with Columbidae were the angle of the mandible and the hook at the end of the beak.In 1811, Johann Karl Wilhelm Illiger created a new family for the genus "Didus".