pˈɑːsᵻbli ˌʌndᵻskɹˈaɪbd spˈiːsiːz ɪnðə dʒˈɛnəs ɑːɹ ˈɛl wˈʌnhˈʌndɹɪd nˈaɪnti θɹˈiː ˌɔːɹɪnˈoʊkoʊ bˈeɪsən ænd ˈɛl fˈoːɹhˈʌndɹɪd sˈɛvən bɹˈæŋkoʊ bˈeɪsən, bˌʌt ðiːz mˈeɪ biː vˈɛɹiənts əvə. hˈɪstɹɪks.
Possibly undescribed species in the genus are L193 (Orinoco basin) and L407 (Branco basin), but these may be variants of A. hystrix.