The "Corvida" were one of two "parvorders" contained within the suborder Passeri, as proposed in the Sibley-Ahlquist taxonomy. Standard taxonomic practice would place them at the rank of infraorder. More recent research suggests that this isn't a distinct clade - a group of closest relatives and nothing else - but an evolutionary grade instead. As such, it's abandoned in modern treatments, being replaced by a number of superfamilies that're considered rather basal among the Passeri. It was presu… (More on Corvida)