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Dakotadon; Temporal range: Early Cretaceous, Barremian PreꞒ Ꞓ O S D C P T J K Pg N ↓
	Front part of the holotype skull
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	†Ornithischia
Clade:	†Neornithischia
Clade:	†Ornithopoda
Clade:	†Ankylopollexia
Clade:	†Styracosterna
Genus:	†Dakotadon; Paul, 2008
Species:	†D. lakotaensis
Binomial name
	†Dakotadon lakotaensis; (Weishampel and Bjork, 1989 [originally Iguanodon lakotaensis])

Dakotadon (meaning "Dakota tooth") is a genus of iguanodont dinosaur from the Barremian-age Lower Cretaceous Lakota Formation of South Dakota, USA, known from a partial skull. It was first described in 1989 as Iguanodon lakotaensis, by David B. Weishampel and Philip R. Bjork.^[1] Its assignment has been controversial. Some researchers suggest that "I." lakotaensis was more basal than I. bernissartensis, and related to Theiophytalia,^[2] but David Norman has suggested that it was a synonym of I. bernissartensis.^[3] Gregory S. Paul, working on a revision of iguanodont species, gave "I." lakotaensis its own genus (Dakotadon) in 2008.^[4] He measured its length at 6 metres (20 ft) and body mass at 1 metric ton (1.1 short tons).^[5]

References

^ Weishampel, David B.; Philip R. Bjork (1989). "The first indisputable remains of Iguanodon (Ornithischia: Ornithopoda) from North America: Iguanodon lakotaensis, sp. nov". Journal of Vertebrate Paleontology. 9 (1): 56–66. Bibcode:1989JVPal...9...56W. doi:10.1080/02724634.1989.10011738.
^ Brill, Kathleen and Kenneth Carpenter. 2007. "A description of a new ornithopod from the Lytle Member of the Purgatoire Formation (Lower Cretaceous) and a reassessment of the skull of Camptosaurus." Horns and Beaks, 49–67.
^ Norman, David B. (January 1998). "On Asian ornithopods (Dinosauria, Ornithischia). 3. A new species of iguanodontid dinosaur". Zoological Journal of the Linnean Society. 122 (1–2): 291–348. doi:10.1006/zjls.1997.0122.
^ Paul, Gregory S. (2008). "A revised taxonomy of the iguanodont dinosaur genera and species" (PDF). Cretaceous Research. 29 (2): 192–216. Bibcode:2008CrRes..29..192P. doi:10.1016/j.cretres.2007.04.009.
^ Paul, Gregory S. (2016). The Princeton Field Guide to Dinosaurs. Princeton University Press. p. 319. ISBN 978-1-78684-190-2. OCLC 985402380.