Dryosauridae
- Not to be confused with Dyrosauridae
| Dryosaurids Temporal range: Middle Jurassic – Late Cretaceous,
| |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ornithopoda |
| Clade: | †Dryomorpha |
| Superfamily: | †Dryosauroidea Milner & Norman, 1984 |
| Family: | †Dryosauridae Milner & Norman, 1984 |
| Subgroups | |
|
Eousdryosaurus | |
Dryosaurids were primitive iguanodonts. They are known from Middle Jurassic to Early Cretaceous rocks of Africa, Europe, and North America.[1][2][3][4]
Phylogeny
Until recently many dryosaurids have been regarded as dubious (Callovosaurus and Kangnasaurus) or as species of the type member, Dryosaurus (Dysalotosaurus, Elrhazosaurus and Valdosaurus). However, more recent studies redescribe these genera as valid.[3][4][5][6][7] The cladogram below follows Paul M. Barrett, Richard J. Butler, Richard J. Twitchett and Stephen Hutt (2011).[7]
According to an abstract at the SVP 2014 conference, Anabisetia, Macrogryphosaurus, and Trinisaura, all from the Late Cretaceous of Gondwana, are members of Dryosauridae. If so, then Elasmaria would be a derived clade of Cretaceous dryosaurids.[8]
History
References
- ^ Norman, David B.; Weishampel, David B. (1990). "Iguanodontidae and related ornithopods". In Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.) (ed.). The Dinosauria. Berkeley: University of California Press. pp. 510–533. ISBN 0-520-06727-4.
{{cite book}}:|editor=has generic name (help)CS1 maint: multiple names: editors list (link) - ^ Norman, David B. (2004). "Basal Iguanodontia". In Weishampel, D.B., Dodson, P., and Osmólska, H. (eds.) (ed.). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 413–437. ISBN 0-520-24209-2.
{{cite book}}:|editor=has generic name (help)CS1 maint: multiple names: editors list (link) - ^ a b Ruiz-Omeñaca, José Ignacio (2007). "Callovosaurus leedsi, the earliest dryosaurid dinosaur (Ornithischia: Euornithopoda) from the Middle Jurassic of England". In Carpenter, Kenneth (ed.) (ed.). Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs. Bloomington and Indianapolis: Indiana University Press. pp. 3–16. ISBN 0-253-34817-X.
{{cite book}}:|editor=has generic name (help); Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ a b Galton, Peter M. (2009). "Notes on Neocomian (Lower Cretaceous) ornithopod dinosaurs from England – Hypsilophodon, Valdosaurus, "Camptosaurus", "Iguanodon" – and referred specimens from Romania and elsewhere" (pdf). Revue de Paléobiologie. 28 (1): 211–273.
- ^ McDonald, A.T.; Kirkland, J.I.; DeBlieux, D.D.; Madsen, S.K.; Cavin, J.; Milner, A.R.C.; Panzarin, L. (2010). "New Basal Iguanodonts from the Cedar Mountain Formation of Utah and the Evolution of Thumb-Spiked Dinosaurs". PLoS ONE. 5 (11): e14075. doi:10.1371/journal.pone.0014075. PMC 2989904. PMID 21124919.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ Andrew T. McDonald (2011). "The taxonomy of species assigned to Camptosaurus (Dinosauria: Ornithopoda)" (PDF). Zootaxa. 2783: 52–68.
- ^ a b Paul M. Barrett, Richard J. Butler, Richard J. Twitchett and Stephen Hutt (2011). "New material of Valdosaurus canaliculatus (Ornithischia: Ornithopoda) from the Lower Cretaceous of southern England". Special Papers in Palaeontology. 86: 131–163.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Poole, K., 2014. A new phylogeny of iguanodontian dinosaurs. Journal of Vertebrate Paleontology 34 (5): 207A.
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