Megalosauroidea
Megalosauroidea (meaning 'great/big lizard forms') is a superfamily (or clade) of tetanuran theropod dinosaurs that lived from the Middle Jurassic to the Late Cretaceous period. The group is defined as Megalosaurus bucklandii and all taxa sharing a more recent common ancestor with it than with Allosaurus fragilis or Passer domesticus. Members of the group include Spinosaurus, Megalosaurus, and Torvosaurus. They are possibly paraphyletic in nature with respect to Allosauroidea.
| Megalosauroids Temporal range: Middle Jurassic - Late Cretaceous, Possible Late Toarcian and Late Santonian records | |
|---|---|
| Torvosaurus skeletal mount, Museum of Ancient Life | |
| Spinosaurus skeletal mount, National Geographic Museum | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Infraorder: | †Carnosauria (?) |
| Superfamily: | †Megalosauroidea Huxley, 1889 |
| Type species | |
| †Megalosaurus bucklandii Mantell, 1827 | |
| Subgroups | |
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| Synonyms | |
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