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