ðɪ ˈoʊdɔntˌoʊdz fˈɔːɹm ɐ ʃˈɑːɹp kˈiːl ɔnðə lˈæɾɚɹəl plˈeɪts ænd, ɪn dʒˈuːvənˌaɪlz, ðɛɹˌɑːɹ fjˈuː tə nˈoʊ ˈoʊdɔntˌoʊdz ɔnðə plˈeɪts əbˌʌv ænd bᵻlˌoʊ ðə kˈiːl ɹˈoʊz.
The odontodes form a sharp keel on the lateral plates and, in juveniles, there are few to no odontodes on the plates above and below the keel rows.