Pronunciation: [ˈɒθɹə͡ʊnəs] (IPA)
Correct spelling for the English word "othronus" is [ˈɒθɹə͡ʊnəs], [ˈɒθɹəʊnəs], [ˈɒ_θ_ɹ_əʊ_n_ə_s] (IPA phonetic alphabet).