sˌʌm spˈɛsɪmənz mˌeɪhɐv dɪstˈɪŋktɪv blˈæk slˈæʃ dˈɑːɹk blˈuː vˈeɪnlˈaɪk kˌʌlɚɹˈeɪʃən pˈætɚnz θɹuːˈaʊt ðɪ ˈɪnɚ pˈoːɹʃənz ʌvðə ʃˈɛl, jˈuːʒuːəli ɚɹˈɪdʒᵻnˌeɪɾɪŋ fɹʌm ˈiːtʃ ˌɪndᵻvˈɪdʒuːəl tˈuːθ æt ðɪ ˈaʊɾɚ lˈɪp.
Some specimens may have distinctive black/dark blue vein-like coloration patterns throughout the inner portions of the shell, usually originating from each individual tooth at the outer lip.