advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds

Maniraptora is a clade used in phylogenetic taxonomy which covers the birds and the dinosaurs that were most closely related to them. It is a sister group to Ornithomimiformes and contains the major subgroups Deinonychosauria, Oviraptorosauria and Therizinosauria, and Aves.