ˈɪntɹɪstɪŋli, dɹˈɛpɐnˌæspiz ˈɔːlsoʊ hɐz ɐ dˈoːɹsəl mˈaʊθ ˈoʊpənɪŋ wˌɪtʃ ɪz ɐ dɪstˈɪŋkt fˈiːtʃɚ ðæt sˈɛpɚɹˌeɪts ðə dʒˈɛnəs fɹʌm ɪts ˈʌðɚ hˈɛɾɚɹˌoʊstɹækən ɹˈɛlətˌɪvz.
Interestingly, Drepanaspis also has a dorsal mouth opening which is a distinct feature that separates the genus from its other Heterostracan relatives.