Two formally described species comprise this genus, with perhaps one dwarf A. compressiceps-like species being considered an undescribed species by some.
tˈuː fˈɔːɹməli dᵻskɹˈaɪbd spˈiːsiːz kəmpɹˈaɪz ðɪs dʒˈɛnəs, wɪð pɚhˈæps wˈʌn dwˈɔːɹf ˈeɪ. kəmpɹˈɛsaɪsˌɛpslˈaɪk spˈiːsiːz bˌiːɪŋ kənsˈɪdɚd ɐn ˌʌndᵻskɹˈaɪbd spˈiːsiːz baɪ sˌʌm.