wɪððə dᵻskɹˈɪpʃən ʌv ˈɛl. tˌɛtɹɐɹˌeɪdɪˈɑːɾə ɪn tˈuː θˈaʊzənd θɹˈiː, ɪt wʌz haɪpˈɑːθəsˌaɪzd ðæt ˈɛl. tˌɛtɹɐɹˌeɪdɪˈɑːɾə pˈɑːsᵻbli kˈɑːnstɪtˌuːts ðə sˈɪstɚ ɡɹˈuːp tʊ ɐ klˈeɪd kəmpɹˈaɪzɪŋ ðɪ ˈoʊnli ˈʌðɚ tˈuː pɹˈiːviəsli dᵻskɹˈaɪbd spˈiːsiːz ʌv lˈɪstɹʊɹɹə, ˈɛl. kæmpˈoʊsi ænd ˈɛl. nˈɛmɐtˌɑːptɚɹˌɪks.
With the description of L. tetraradiata in 2003, it was hypothesized that L. tetraradiata possibly constitutes the sister group to a clade comprising the only other two previously described species of Listrura, L. camposi and L. nematopteryx.