Adeɣmus (Assaɣ usnan: Echinoidea) d tawsit n iɣersiwen meẓẓeyen d akernunnay (amdewṛan) d imsennen yeṭṭafar tawacult temsennin n uglim deg tfesna tesnimawin, Tla aṭas n yiniten seg uzegza ar aras d uberkan Učči Deg wučči ynes yegguni ɣef tfurri, Dɣa netta yettili d učči i weydi n yilel akk d usennur