In 2012, many species classified as Quadrula were moved to Rotundaria and Theliderma based on genetic and morphological evidence.

Species currently in Quadrula now consist of:
Quadrula apiculata (Southern mapleleaf)
Quadrula fragosa (Winged mapleleaf)
Quadrula nobilis (Gulf mapleleaf)
Quadrula quadrula (Mapleleaf)
Quadrula rumphiana (Ridged mapleleaf)
Quadrula verrucosa (Pistolgrip)
In 2012, many species classified as Quadrula were moved to Rotundaria and Theliderma based on genetic and morphological evidence.
Species currently in Quadrula now consist of:
Quadrula apiculata (Southern mapleleaf)
Quadrula fragosa (Winged mapleleaf)
Quadrula nobilis (Gulf mapleleaf)
Quadrula quadrula (Mapleleaf)
Quadrula rumphiana (Ridged mapleleaf)
Quadrula verrucosa (Pistolgrip)
Quadrula