The family was included in Pedaliaceae in the Cronquist system ( under order Scrophulariales ) .
The family was is recognized as a separate family by the Angiosperm Phylogeny Group on the basis of phylogenetic studies that show that the two families are not closely related .
The family was included in Pedaliaceae in the Cronquist system ( under order Scrophulariales ) but is recognized as a separate family by the Angiosperm Phylogeny Group on the basis of phylogenetic studies that show that the two families are not closely related .