pˈæst hˌaɪbɹɪdᵻzˈeɪʃən ɪz nˈoʊn wˈaɪdli ɪn sˈɪpɹɪnˌɪdiː, ænd kənfˈaʊndz məlˈɛkjʊlɚ ænd ˈʌðɚ klædˈɪstɪk stˈʌdiz ɹᵻlˈaɪɪŋ ˌɔn ɐ sˈɪŋɡəl sˈoːɹs ʌv dˈeɪɾə.
Past hybridization is known widely in Cyprinidae, and confounds molecular and other cladistic studies relying on a single source of data.