Shallow water to circalittoral. Grazer and detritus feeder.
« Shell thick, very smooth, shiny, of a dark brown variegated with white and yellowish. Sculpture made of nodulous transverse lines disposed away from each other. » – A. Risso: Histoire naturelle des principales productions de l’Europe Méridionale… vol. IV, Paris 1826. The main difference with banded specimens of A. cimex is given by the protoconch: planktotrophic in cimex, lecithotrophic in mamillata.
25-35m deep, Üç Adalar, Tekirova, Kemer, Antalya province, S. Turkey. 4mm.
