Dinosaurs That Start With Y
Explore a complete list of over 25 dinosaurs that start with the letter Y.
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: Uncertain.Time Period: Late Cretaceous.
Diet: Herbivore.Size: Uncertain due to lack of remains.Time Period: Maastrichtian of the Cretaceous.
Diet: Herbivore.Size: Uncertain due to lack of remains,†‬but very
roughly estimated to be about†‬7.5†‬meters long.Time Period: Early Maastrichtian of the Cretaceous.
Diet: Herbivore.Size: At least three meters long for the holotype,â€
‬possibly as much as somewhere between†‬3.5†‬and†‬4†‬meters.Time Period: Bathonian of the Jurassic.
Diet: Carnivore.Size: Largest individuals estimated up to†‬10.8â€
‬meters long.Time Period: Bathonian/Callovian of the Jurassic..
Diet: Herbivore.Size: Unknown.Time Period: Hauterivian of the Cretaceous.
Diet: Herbivore.Size: Holotype roughly about†‬3†‬meters long.â€Time Period: Campanian of the Cretaceous.
Diet: Insectivore/Carnivore.Size: â€Wingspan roughly about 60 centimetres across.Time Period: Callovian/Oxfordian Jurassic.
Diet: Herbivore.Size: Roughly about†‬9†‬meters long.Time Period: Hettangian of the Jurassic.
Diet: Herbivore.Size: 1.2†‬meters long.Time Period: Oxfordian of the Jurassic.
Diet: Uncertain. Possibly an Insectivore.Size: Estimated at possibly up to one meter long.Time Period: Barremian of the Cretaceous.
Diet: Herbivore.Size: Roughly about†‬7†‬meters long for the
holotype.Time Period: Early Jurassic.
Diet: Herbivore.Size: Uncertain.†‬The holotype fossils are from an
incomplete individual,†‬but one that is estimated to have been aboutâ€
‬15-18†‬meters long.†‬Evidence suggests however that this specimen is
of a juvenile or subadult and not a fully grown adult,†‬therefor the
true adult size remains unknown.Time Period: Early Cretaceous.
Diet: Carnivore/Piscivore.Size: Uncertain due to lack of fossil remains.Time Period: Maastrichtian of the Cretaceous.
Diet: Uncertain.Size: Unavailable.Time Period: Early Cretaceous.
Diet: Herbivore.Size: About†‬17†‬meters long.Time Period: Mid Jurassic.â€
Diet: Herbivore.Size: Estimated†‬1.5†‬meters long.Time Period: Aptian to Cenomanian of the Cretaceous.
Diet: Omnivore�Size: Up to†‬50†‬centimetres long.Time Period: Late Cretaceous.
Diet: Herbivore.Size: Roughly estimated to be about 20 meters long.Time Period: Aptian/Albian of the Cretaceous.
Diet: Herbivore.Size: Yunnanosaurus huangi
estimated at about†‬7â€
‬meters long,†‬Yunnanosaurus youngi estimated at
about†‬13†‬meters
long.Time Period: Y.†‬huangi is
known from the
Hettangian/Sinemurian of the Jurassic,†‬while Y.†‬youngi
is
Aalenian/Bajocian of the Jurassic.
Diet: Carnivore.Size: Uncertain,†‬but roughly estimated at aboutâ€
‬4.7†‬meters long.Time Period: Mid Jurassic.
Diet: Uncertain.Size: Unavailable.Time Period: Maastrichtian of†‬the Cretaceous.
Diet: Carnivore.Size: Roughly estimated around†‬2.5†‬meters long.Time Period: Barremian of the Cretaceous.
Diet: Carnivore.Size: Estimated at†‬9†‬meters long.†‬Skullestimated around†‬905†‬millimetres long.Time Period: Aptian of the Cretaceous.
Diet: Herbivore.Size: Estimated about†‬4†‬meters long.Time Period: Sinemurian-Toarcian of the Jurassic.