Dinosaurs That Start With O

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Explore a complete list of over 30 dinosaurs that start with the letter O.

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.

Overoraptor

Diet: Uncertain.Size: Unavailable.Time Period: Cenomanian of the Cretaceous.
Oviraptor

Oviraptor

Diet: Carnivore.Size: Estimated‭ about 1.6 meters long.Time Period: Campanian of the Cretaceous.

Owenodon

Diet: Herbivore.Size: Unknown due to lack of fossil remains.Time Period: Early Cretaceous.

Oxalaia

Diet: Piscivore.Size: Estimated between‭ ‬12‭ ‬and‭ ‬14‭ ‬meters long.Time Period: Cenomanian of the Cretaceous.

Ozraptor

Diet: Carnivore.Size: Uncertain due to incomplete remains,‭ ‬but comparison to other remains has yielded an estimate of two meters long.Time Period: Bajocian of the Jurassic.

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The information here is completely free for your own study and research purposes, but please don't copy the articles word for word and claim them as your own work. The world of prehistory is constantly changing with the advent of new discoveries, and its best if you use this information as a jumping off point for your own research.