Diffloth's widely cited original classification, now abandoned by Diffloth himself, is used in Encyclopædia Britannica and—except for the breakup of Southern Mon–Khmer—in Ethnologue.
dˈɪflɑːθz wˈaɪdli sˈaɪɾᵻd ɚɹˈɪdʒɪnəl klˌæsɪfɪkˈeɪʃən, nˈaʊ ɐbˈændənd baɪ dˈɪflɑːθ hɪmsˈɛlf, ɪz jˈuːzd ɪn ɛnsˌaɪkləpˈiːdiə bɹɪtˈænɪkə ænd—ɛksˈɛpt fɚðə bɹˈeɪkʌp ʌv sˈʌðɚn mˈɑːn kmˈɪɹ—ɪn ˈɛθnəlˌɑːɡ.