The genus Calamanthus was introduced in 1838 by the English ornithologist John Gould[2] as a replacement name for Praticola that had been introduced in 1837 by William Swainson to accommodate Praticola anthoides Swainson, a junior synonym of Anthus fuliginosusVigors and Horsfield, the striated fieldwren.[3][4] The name Praticola was pre-occupied as it had previous been introduced in 1829 by the German naturalist Johann Jakob Kaup.[4][5] The genus name combines the Ancient Greek καλαμαια/kalamaia meaning "grasshopper" with the genus AnthusBechstein, 1805.[6]
A poorly researched genus, the alliance has been recognised as a single species treatment (Schodde, 1975) and later two species or provisionally three separate species.[7]Birds of the World: Recommended English Names lists the following three species:[8]
Del Hoyo, J.; Elliot, A. & Christie D. (editors). (2006). Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Lynx Edicions. ISBN978-84-96553-42-2