Dinosaurs That Start With I
Explore a complete list of over 25 dinosaurs that start with the letter I.
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: Piscivore/Carnivore.Size: Uncertain due to lack of remains.Time Period: Barremian of the Cretaceous.
Diet: Herbivore.Size: Holotype estimated to have been about†‬5.7â€
‬meters long.Time Period: Santonian to Campanian of the
Cretaceous.
Diet: Piscivore.Size: Uncertain,†‬but estimated between the region
of†‬7.5†to ‬9†‬meters long. Later estimates possibly up to 10 meters
long.Time Period: Aptian of the Cretaceous.
Diet: Herbivore.Size: Roughly estimated around 9 to†‬10†‬meters
long.Time Period: Barremian of the Cretaceous.
Diet: Herbivore.Size: Specimens seem to average around the†‬10†‬meter long mark,†‬but some individuals are possibly as large as†‬13†‬meters long.Time Period: Kimmeridgian of the Jurassic through to the Barremian/Aptian of the Cretaceous.†‬Some specimens from some parts of the world suggest as late as the Cenomanian of the Cretaceous.
Diet: Carnivore.Size: Roughly estimated to be about†‬1.5†‬meters
long.Time Period: Bathonian of the Jurassic.
Diet: Carnivore.Size: Roughly estimated up to about 5.5 to 6 meters
long.Time Period: Cenomanian of the Cretaceous.
Diet: Carnivore.Size: Unknown due to lack of remains.Time Period: Maastrichtian of the Cretaceous.
Diet: Herbivore/Omnivore.Size: Skull†‬10†‬centimetres long.†‬Body
estimated to be about†‬1†‬meter long.Time Period: Barremian of the Cretaceous.
Diet: Carnivore.Size: Uncertain due to lack of fossil remains.Time Period: Maastrichtian of the Cretaceous.
Diet: Carnivore.Size: At least ‬6†‬meters long.Time Period: Maastrichtian of the Cretaceous.
Diet: Herbivore.Size: Roughly about 7.5 meters long for holotype
individual.Time Period: Norian/Rhaetian of the Triassic.
Diet: Herbivore.Size: Uncertain.Time Period: Campanian of the Cretaceous.
Diet: Herbivore.Size: Uncertain due to lack of fossil remains,†‬but
roughly estimated to be about†‬5.5†‬meters long.Time Period: Early Jurassic.
Diet: Carnivore.â€Size: Estimated at†‬8†‬meters long Skull estimated
at†‬84†‬centimetres long.Time Period: Albian of the Cretaceous.
Diet: Herbivore.Size: Uncertain.Time Period: Bajocian of the Jurassic.
Diet: Herbivore.Size: Estimated to about†‬6.5†‬meters long.Time Period: Norian/Rhaetian of the Triassic.
Diet: Herbivore.Size: Roughly up to†‬4.75†meters ‬long.Time Period: Campanian/Maastrichtian of the
Cretaceous.
Diet: Herbivore.Size: Uncertain.Time Period: Late Cretaceous.
Diet: Herbivore.Size: Total size uncertain due to incomplete
remains,†‬but at least about†‬14-15†‬meters long for the holotype
individual.†‬Holotype individuals humerus†‬148†‬centimetres long,â€
‬and Ulna†‬80†‬centimetres long.Time Period: Maastrichtian of the Cretaceous.
Diet: Herbivore.Size: Skull†‬24.37†‬centimetres long.Time Period: Norian of the Triassic.
Diet: HerbivoreSize: 5.5 meters in lengthTime Period: Barremian age of the Early Cretaceous
Diet: Herbivore.Size: Uncertain.Time Period: Cenomanian of the Cretaceous.
Diet: Carnivore.Size: Unknown.Time Period: Turonian of the Cretaceous.
Diet: Herbivore.Size: Unknown due to overall lack of fossils.Time Period: Barremian of the Cretaceous.