Koreanosaurus
Koreanosaurus Temporal range: Late Cretaceous,
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Holotype specimen, with close up of a rib | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | †Ornithischia |
Clade: | †Neornithischia |
Family: | †Thescelosauridae |
Subfamily: | †Orodrominae |
Genus: | †Koreanosaurus Huh et al., 2011 |
Species: | †K. boseongensis
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Binomial name | |
†Koreanosaurus boseongensis Huh et al., 2011
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Koreanosaurus (meaning "Korean lizard") is a genus of orodromine neornithischian dinosaur. One species has been described, Koreanosaurus boseongensis.
Description
Because of the "minority of skeleton" remains, its adult size is uncertain,[1] but Huh et al. estimated at up to 2.4 meters (7.9 ft) in length.[2] Thomas Holtz later gave a length estimate of 2.1 m (6.9 ft) and a mass estimate as that of a wolf which would be approximately 40 kg (88 lb).[3] Unlike its orodromine relatives, Koreanosaurus is assumed to have been a quadruped.[4]
Discovery
In 2003 three fossils of Koreanosaurus were found in the Late Cretaceous-age Seonso Conglomerate from the southern coast of the Bi-bong Dinosaur Fossil Findspot, Boseong, Korean Peninsula:[2] the holotype KDRC-BB2, a partial skeleton lacking the skull, and the paratypes KDRC-BB1 and KDRC-BB3.[5] The type species is Koreanosaurus boseongensis, after its discovery locality (Boseong site 5). The type species was initially named and described in a master's thesis by Dae-Gil Lee in 2008,[6] and was officially published by Min Huh, Dae-Gil Lee, Jung-Kyun Kim, Jong-Deock Lim and Pascal Godefroit in 2011.[5]
Classification
Koreanosaurus was considered to be a basal member of the Ornithopoda by the authors, forming a clade with Zephyrosaurus schaffi, Orodromeus makelai and Oryctodromeus cubicularis from which they deduced a burrowing lifestyle.[5] Han et al. found it plausible that Koreanosaurus might be a member of Jeholosauridae or closely related to it.[7]
References
- ^ Paul, Gregory S. (2010). "Ornithischians". The Princeton Field Guide to Dinosaurs. pp. 214–316. doi:10.1515/9781400836154.214.
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ignored (help) - ^ a b 전남대 허민 교수팀, 한국 이름명 공룡 복원. Yonhap (in Korean). 2010-11-01. Archived from the original on 2011-10-02. Retrieved 2011-05-04.
- ^ Holtz, Thomas R. Jr. (2012). Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages (PDF).
Winter 2011 Appendix
- ^ Fearon, J. L., & Varricchio, D. J. (2015). Morphometric analysis of the forelimb and pectoral girdle of the Cretaceous ornithopod dinosaur Oryctodromeus cubicularis and implications for digging. Journal of Vertebrate Paleontology, 35(4), e936555. https://doi.org/10.1080/02724634.2014.936555
- ^ a b c Min Huh; Dae-Gil Lee; Jung-Kyun Kim; Jong-Deock Lim; Pascal Godefroit (2011). "A new basal ornithopod dinosaur from the Upper Cretaceous of South Korea" (PDF). Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 259 (1): 1–24. doi:10.1127/0077-7749/2010/0102.
- ^ Lee G., 2008, The ornithopod dinosaur (Ornithopoda: Hypsilophodontidae) from the Late Cretaceous Seonso Conglomerate of Boseong County, Korea, master's thesis Chonnam National University
- ^ Han, Feng-Lu; Paul M. Barrett; Richard J. Butler; Xing Xu (2012). "Postcranial anatomy of Jeholosaurus shangyuanensis (Dinosauria, Ornithischia) from the Lower Cretaceous Yixian Formation of China". Journal of Vertebrate Paleontology. 32 (6): 1370–1395. doi:10.1080/02724634.2012.694385. S2CID 86754247.