What are the closest relatives to dinosaurs living today?

Here are some types of dinosaurs. Eoraptor, Tyrannosaurus-Rex, Gallimimus, Ornithomimus, Troodon, Velociraptor, Megalosaurus, Spinosaurus, Baryonyx, Dromaeosaurus, Megaraptor, Deinonychus, Deinocheirus, Coelophysis, Daspletosaurus, Charchadontosaurus, Gigantosaurus, Allosaurus, Albertosaurus, Erlikosaurus, Monokykus, Suchomimus, Yangchuanosaurus, Dilphosaurus, Ceratosaurus, Oviraptor, Therizinosairis, Beipasaurus, Segnosaurus, Anchisaurus, Plateosaurus, Mamenchisaurus, BrachiOSaurus, Seismosaurus, Shunosaurus, Alamosaurus, Argentinosaurus, Sauroposeidon, Eustrespondylus, Apatosaurus, Barosaurus, Camarasaurus, Amargasaurus, Saltasaurus, Hyposilophodon, Iguanodon, Maiasaura, Orodromeus, Parasaurolophus, Drinker, Ouranosaurus, Hadrosaurus, Edmontosaurus, Dakota, Muttaburrasaurus, Corythrosaurus, Tsintaosaurus, Camptosaurus, Lesothosaurus, Dryosaurus, Huayangosaurus, Stegosaurus, Kentrosaurus, Daecentrus, Tujiangosaurus, Scutellosaurus, Nodosaurus, Ankylosaurus, Saichania, Edmontia, Pachycephalosaurus, Stygimoloch, Homocephale, Stegoceras, Triceratops, Psittacosaurus, Centrosaurus, Protoceratops, Leptoceratops, Pentaceratops, Torosaurus, Styracosaurus, and Chasmosaurus. Yes this a lot. Please do not count it as spam and this is probaly almost all of the dinosaurs I know. Here are some types of dinosaurs. Eoraptor, Tyrannosaurus-Rex, Gallimimus, Ornithomimus, Troodon, Velociraptor, Megalosaurus, Spinosaurus, Baryonyx, Dromaeosaurus, Megaraptor, Deinonychus, Deinocheirus, Coelophysis, Daspletosaurus, Charchadontosaurus, Gigantosaurus, Allosaurus, Albertosaurus, Erlikosaurus, Monokykus, Suchomimus, Yangchuanosaurus, Dilphosaurus, Ceratosaurus, Oviraptor, Therizinosairis, Beipasaurus, Segnosaurus, Anchisaurus, Plateosaurus, Mamenchisaurus, BrachiOSaurus, Seismosaurus, Shunosaurus, Alamosaurus, Argentinosaurus, Sauroposeidon, Eustrespondylus, Apatosaurus, Barosaurus, Camarasaurus, Amargasaurus, Saltasaurus, Hyposilophodon, Iguanodon, Maiasaura, Orodromeus, Parasaurolophus, Drinker, Ouranosaurus, Hadrosaurus, Edmontosaurus, Dakota, Muttaburrasaurus, Corythrosaurus, Tsintaosaurus, Camptosaurus, Lesothosaurus, Dryosaurus, Huayangosaurus, Stegosaurus, Kentrosaurus, Daecentrus, Tujiangosaurus, Scutellosaurus, Nodosaurus, Ankylosaurus, Saichania, Edmontia, Pachycephalosaurus, Stygimoloch, Homocephale, Stegoceras, Triceratops, Psittacosaurus, Centrosaurus, Protoceratops, Leptoceratops, Pentaceratops, Torosaurus, Styracosaurus, and Chasmosaurus. Yes this a lot. Please do not count it as spam and this is probaly almost all of the dinosaurs I know.