Dinosaurs That Start With X
Explore a complete list of over 18 dinosaurs that start with the letter X.
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: Herbivore.Size: Estimated around†‬6†‬meters long,†‬but lack
of remains make this figure open to change.Time Period: Campanian of the Cretaceous.
Diet: Herbivore.Size: Highly uncertain given the lack of fossil
remains,†‬but estimates exist depending upon what type of sauropod
Xenoposeidon was.†‬About†‬15†‬meters long if
built like a
brachiosaurid,†‬alternatively†‬20†‬meters long if built like a
diplodocid.Time Period: Berriasian of the Cretaceous.
Diet: Carnivore.Size: Roughly estimated to be about 5.4 meters long.Time Period: Cenomanian to Turonian of the
Cretaceous.
Diet: Herbivore.Size: Unavailable.Time Period: Cenomanian†‬of the Cretaceous.
Diet: Herbivore.Size: Roughly estimated to be about†‬1†‬meter long.Time Period: Mid Jurassic.
Diet: Carnivore/Insectivore.Size: Approximately†‬60†‬centimetres long.Time Period: Bathonian to Oxfordian to Jurassic.
Diet: Uncertain.Size: Unavailable.Time Period: Barremian to early Aptian of the
Cretaceous.
Diet: Herbivore.Size: â€E‬stimated between†‬4†‬and†‬5†‬meters
long.Time Period: Early Jurassic.
Diet: Carnivore.Size: Uncertain due to lack of fossil remains.Time Period: Aptian of the Cretaceous.
Diet: Carnivore.Size: Estimated about 4-4.5 meters long.Time Period: Aptian to Albian of the Cretcaceous.
Diet: Insectivore.Size: About†‬50†‬centimetres long.Time Period: Santonian/Coniacian of the Cretaceous.
Diet: Carnivore.Size: Roughly estimated to be about 1.5 meters long.Time Period: Santonian/Coniacian of the Cretaceous.
Diet: Herbivore.Size: Unavailable.Time Period: Early Jurassic.
Diet: Insectivore�Size: Roughly estimated around 2.3 meters long for
the holotype.Time Period: Barremian/Aptian of the Cretaceous.
Diet: Carnivore.Size: Possibly up to 6 meters long.Time Period: Bathonian to Callovian of the Jurassic.
Diet: Herbivore.Size: Estimated†‬90†‬centimetres long.Time Period: Late Jurassic.
Diet: Carnivore/Insectivore.Size: Roughly estimated at about†‬50†‬centimetres
long.Time Period: Early Cretaceous.
Diet: Herbivore.Size: Uncertain.Time Period: Aptian to Albian of the Cretaceous.