Dinosaurs That Start With R
Explore a complete list of over 30 dinosaurs that start with the letter R.
Each dinosaur listed has a dedicated page with information on classification, diet, size, fossil evidence, geographic distribution, and maps of known fossil locations, where available. Pages may also include size comparison charts, fossil representations, and in-depth descriptions based on current scientific research.
The amount of information varies by species, depending on the completeness of fossil discoveries.
Diet: â€C‬arnivore.Size: Roughly estimated to be around ‬8†‬meters
long.Time Period: Maastrichtian of the Cretaceous.
Diet: Carnivore.Size: 70†‬centimeters long.Time Period: Maastrichtian of the Cretaceous.
Diet: Carnivore.Size: ‬Skull is†‬60†‬centimetres long. Body length estimates vary greatly, and range from 6 to 9 meters.Time Period: Maastrichtian of the Cretaceous.
Diet: Carnivore.Size: Roughly estimated at up to†‬9†‬meters long.Time Period: Aptian of the Cretaceous.
Diet: Unavailable.Size: Unavailable.Time Period: Early Cretaceous.
Diet: Herbivore.Size: Possibly up†‬to†‬15†‬meters long.Time Period: Maastrichtian of the Cretaceous.
Diet: Carnivore.Size: About†‬2.5†‬meters long for holotype.Time Period: Uncertain,†‬but probably Campanian.
Diet: Herbivore.Size: Unknown.Time Period: Aptian of the Cretaceous.
Diet: Omnivore�Size: Roughly about†‬3.2/3.3†‬meters long for the
holotype which was an almost fully grown adult.Time Period: Campanian of the Cretaceous.
Diet: Herbivore.Size: Uncertain,†‬but very roughly estimated to be
about†‬6†‬meters long.Time Period: Cenomanian of the Cretaceous.
Diet: Herbivore.Size: â€U‬p to about†‬20†‬meters long.Time Period: Cenomanian of the Cretaceous.
Diet: Herbivore.Size: Roughly about†‬5†‬meters long.Time Period: Middle Maastrichtian of the Cretaceous.
Diet: Herbivore.Size: In the past estimated about†‬4†‬meters
long,†‬but given the severe lack of fossils this is highly speculative.Time Period: Early Cretaceous.
Diet: Herbivore.Size: Four a long time thought to be about 4 meters
long, further discoveries indicate that adults actually ranged between
4 and 6 meters in length.Time Period: â€L‬ate Campanian to Early Maastrichtian
of the Cretaceous.
Diet: Herbivore.Size: Holotype skull about†‬78†‬centimetres long.â€
‬Total body length†‬roughly estimated to be about†‬9†‬meters long.Time Period: Campanian of the Cretaceous.
Diet: Herbivore.Size: Estimated 12-15 meters long.Time Period: Oxfordian of the Jurassic.
Diet: Herbivore.Size: Unknown due to lack of remains.Time Period: Late Jurassic.
Diet: Herbivore.Size: Uncertain due to lack of remains.Time Period: Maastrichtian of the Cretaceous.
Diet: Carnivore.Size: Unknown due to lack of fossil material.Time Period: Campanian of the Cretaceous†(‬possibly
earlier to the Barremianâ€)‬.
Diet: Uncertain.Size: About†‬1.5†‬meters long.Time Period: Late Cretaceous.
Diet: Herbivore.Size: Estimated about†‬11†‬meters long.Time Period: Turonian to Coniacian of the Cretaceous.
Diet: Herbivore.Size: About†‬10†‬meters long.Time Period: Norian of the Triassic.
Diet: Piscivore/Carnivore.Size: Uncertain due to lack of remains but roughly
estimated to have been about†‬8.5†‬meters long.Time Period: Barremian of the Cretaceous.
Diet: Herbivore.Size: About†‬8†‬meters long,†‬possibly larger.Time Period: Campanian of the Cretaceous.
Diet: Herbivore.Size: Unknown due to lack of remains.Time Period: Campanian of the Cretaceous.