Analysis of information sources in references of the Wikipedia article "Morum" in Portuguese language version.
East Colombia.
Morum was for a long time thought to be a cassid (i.e., in family Cassidae, Littorinimorpha), but studies of the anatomy of M. tuberculosum (Reeve, 1842) showed that it should be transferred to the neogastropod family Harpidae (Hughes 1986).