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| Contents: | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z – See also |
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- Rachitrema – possibly an ichthyosaur
- Rahiolisaurus
- "Rahona" – preoccupied name, now known as Rahonavis
- Rahonavis – possibly a bird
- Rajasaurus
- Rapator
- Rapetosaurus
- Raptorex
- Ratchasimasaurus
- Rayososaurus
- Razanandrongobe – may be a theropod or crocodylomorph
- Rebbachisaurus
- Regnosaurus
- "Revueltoraptor" – nomen nudum; junior synonym of Gojirasaurus
- Revueltosaurus – actually a pseudosuchian
- Rhabdodon
- Rhadinosaurus – may be non-dinosaurian, possibly crocodilian
- Rhodanosaurus – junior synonym of Struthiosaurus
- Rhoetosaurus
- Rhopalodon – actually a synapsid
- Ricardoestesia – intended but unofficial spelling of Richardoestesia
- Richardoestesia
- "Rileya" – preoccupied name, now known as Rileyasuchus
- Rileyasuchus – a chimera of phytosaur and Thecodontosaurus remains
- Rinchenia
- Rinconsaurus
- Rioarribasaurus – junior synonym of Coelophysis
- Riojasaurus
- Riojasuchus – actually a non-dinosaurian archosaur
- Rocasaurus
- "Roccosaurus" – nomen nudum; Melanorosaurus
- Rubeosaurus
- Ruehleia
- Rugops
- "Rutellum" – pre-Linnaean name, invalid under modern taxonomic systems
- Ruyangosaurus
Read more about this topic: List Of Dinosaurs