The leaf-footed bugs and allies make up the superfamily Coreoidea of the true bug infraorder Pentatomomorpha. There are 5 families presently recognized, but the Coreoidea as a whole are part of a close-knit group with the Lygaeoidea and Pyrrhocoroidea and it is likely that these three superfamilies are paraphyletic to a significant extent; they are therefore in need of revision and redelimitation. The families are: * Alydidae – broad-headed bugs * Coreidae – leaf-footed bugs and squash bugs * Hyocephalidae * Rhopalidae – scentless plant bugs * Stenocephalidae