Parent: Acanthizidae

└─ Calamanthus

└─── Calamanthus campestris (Rufous fieldwren)

└─── Calamanthus cautus (Shy heathwren)

└─── Calamanthus fuliginosus (Striated fieldwren)

└─── Calamanthus montanellus (Western fieldwren)

└─── Calamanthus pyrrhopygius (Chestnut-rumped heathwren)