nˈɪkələs bˈʌɾɚfˌiːld, hˌuː əpˈoʊzᵻz ðɪ aɪdˈiə ðæt wɪwˈeɪksiə wʌzɐ mˈɑːlʌsk, hɐz ɹˈɪʔn̩ ðæt ˈɜːlɪɚ mˈaɪkɹoʊfˌɑːsəlz fɹʌm ɑːɹ fɹˈæɡmənts əvə dʒˈɛnjuːɪnli mˈɑːlʌsklˈaɪk ɹˈædʒələ.
Nicholas Butterfield, who opposes the idea that Wiwaxia was a mollusc, has written that earlier microfossils from  are fragments of a genuinely mollusc-like radula.