ðiːz dˈɛntɪkəlz, ðæt wʊd kəntˈɪnjuː ˌʌp ˌɪntʊ ðɪ ˈɪnɚ mˈɑːɹdʒɪnz ʌvðə mˈaʊθ, ɐlˈaʊd dɹˈɛpɐnˌæspiz tə sˈʌk ˌʌp ænd ɡɹˈæsp fˈuːd ɔːɹ pɹˈeɪ jˈuːzɪŋ ɐ mˈɛkənˌɪzəm kˈɔːld sˈʌkʃən fˈiːdɪŋ.
These denticles, that would continue up into the inner margins of the mouth, allowed Drepanaspis to suck up and grasp food or prey using a mechanism called suction feeding.