It contains two species and a named hybrid, all endemic to the south-west of Western Australia.
The genus was first formally described in 1963 by the Australian botanist Alex George who published his description in Western Australian Naturalist.
M.A.Clem [3] In 2015, as a result of studies of molecular phylogenetics,[4] Mark Clements transferred the two Elythranthera species to Caladenia but the change is not accepted by the Australian Plant Census, nor by the Western Australian Herbarium.
[5] Plants of the World Online lists Elythranthera as a synonym of Caladenia.
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