dˈuː tə ðə dʒˈɔːləs nˈeɪtʃɚɹ ʌvðə mˈaʊθ, dɹˈɛpɐnˌæspiz mˌeɪhɐv mˈoʊst lˈaɪkli jˈuːɾɪlˌaɪzd ɐn əkwˈæɾɪk fˈiːdɪŋ mˈɛkənˌɪzəm kˈɔːld sˈʌkʃən fˈiːdɪŋ.
Due to the jawless nature of the mouth, Drepanaspis may have most likely utilized an aquatic feeding mechanism called suction feeding.