A synthesis on the state of art on dinosaur knowledge in Portugal is presented. The following genera have been recognized:Ceratosaurus, Torvosaurus, Lourinhanosaurus, Allosaurus, cf. Compsognathus, Stokesosaurus, cf. Richardoestesia, cf.Archaeopteryx, Euronychodon, cf. Paronychodon, Dinheirosaurus, Lourinhasaurus, Lusotitan, cf. Pleurocoelus, Lusitanosaurus,Dacentrurus, Dracopelta, Phyllodon, Hypsilophodon, Alocodon, Trimucrodon, Draconyx, Iguanodon, and Taveirosaurus.Most are from Late Jurassic localities at the Lourinhã area and Guimarota.A new genus, Lusotitan, is here raised to include theLate Jurassic ‘Brachiosaurus'atalaiensis. Lower Cretaceous until Cenomanian material is scarce, except for dinosaur footprints.An interesting Late-Cretaceous, mostly small dinosaur association has been collected between Aveiro and Taveiro.