lˈeɪoʊplmə pˈeɪkkə wʌzɐ smˈɔːl tɚɹˈɛstɹɪəl fɹˈɑːɡ, ɡɹˈoʊɪŋ tə fˈaɪv sˌiːˈɛm ɪn lˈɛŋθ, ænd ɪz mˈiːdiəm tə dˈɑːɹk bɹˈaʊn wɪð ʌnwˈɛbd tˈoʊz ænd ɐ dɪstˈɪŋktɪv ɛkstˈɛndᵻd ɹˈɪdʒ bᵻhˌaɪnd ɪts ˈaɪz.
Leiopelma pakeka was a small terrestrial frog, growing to 5 cm in length, and is medium to dark brown with unwebbed toes and a distinctive extended ridge behind its eyes.