Khukhtek Formation
The Khuren Dukh Formation, also known as the Khukhtyk Formation, Khukhteeg Formation, or Hühteeg Svita, (Mongolian: Хөхтээг формаци, Khökhteeg Formatsi), is a geological formation in Mongolia whose strata date back to the Aptian–Albian ages of the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.
Vertebrate paleofauna
Dinosaurs
The earliest record of Pachycephalosauria.
| Dinosaurs of the Khuren Dukh Formation (Hühteeg Svita) | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Altirhinus | A. kurzanovi | "Complete skull, partial skull, associated postcrania, several individuals." | A hadrosauroid ornithopod |  | ||
| Choyrodon | C. barsboldi | Partial skull, cervical ribs | A hadrosauroid ornithopod |  | ||
| Iguanodon | I. orientalis | An indeterminate Iguanodont. A referred skull was reclassified as Altirhinus. | ||||
| Harpymimus | H. okladnikovi | Partial skeleton | An ornithomimosaur | .jpg) | ||
Choristoderes
| Choristoderes of the Khuren Dukh Formation (Hühteeg Svita) | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Khurendukhosaurus | K. orlovi, Indeterminate | Partial skeleton | Long-necked choristodere |  | ||
| Tchoiria | T. namsarai | Crocodile-like neochoristoderan. | ||||
Color key
|
Notes Uncertain or tentative taxa are in small text; |
See also
References
- ^ Hasegawa, Hitoshi; Ando, Hisao; Hasebe, Noriko; Ichinnorov, Niiden; Ohta, Tohru; Hasegawa, Takashi; Yamamoto, Masanobu; Li, Gang; Erdenetsogt, Bat-Orshikh; Heimhofer, Ulrich; Murata, Takayuki; Shinya, Hironori; Enerel, G.; Oyunjargal, G.; Munkhtsetseg, O. (2018-02-27). "Depositional ages and characteristics of Middle– Upper Jurassic and Lower Cretaceous lacustrine deposits in southeastern Mongolia". Island Arc. 27 (3). Bibcode:2018IsArc..27E2243H. doi:10.1111/iar.12243. ISSN 1038-4871.
- ^ Nosova, Natalya; Kostina, Elena (2022-09-01). "New findings of the female reproductive structures of Umaltolepis Krassilov and associated leaves of Pseudotorellia Florin in the Lower Cretaceous of Mongolia". Review of Palaeobotany and Palynology. 304: 104696. Bibcode:2022RPaPa.30404696N. doi:10.1016/j.revpalbo.2022.104696. ISSN 0034-6667.
- ^ Nichols et al., 2006
- ^ Weishampel et al., 2004, pp.563-570
- ^ https://vertpaleo.org/wp-content/uploads/2023/10/2023_SVP_Program-Final-10032023.pdf
- ^ "Table 19.1," in Weishampel, et al. (2004). Page 415.
- ^ Gates et al., 2018
- ^ Barsbold & Perle, 1984
Bibliography
- Gates, Terry A.; Tsogtbaatar, Khishigjav; Zanno, Lindsay E.; Chinzorig, Tsogtbaatar; Watabe, Mahito (2018), "A new iguanodontian (Dinosauria: Ornithopoda) from the Early Cretaceous of Mongolia", PeerJ, 6: e5300, doi:10.7717/peerj.5300, PMC 6078070, PMID 30083450
- Nichols, Douglas J.; Matsukawa, Masaki; Ito, Makoto (2006), "Palynology and age of some Cretaceous nonmarine deposits in Mongolia and China", Cretaceous Research, 27 (2): 241–251, Bibcode:2006CrRes..27..241N, doi:10.1016/j.cretres.2005.11.004, ISSN 0195-6671
- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
- Barsbold, R.; Perle, A. (1984), "On first new find of a primitive orithomimosaur from the Cretaceous of the MPR", Paleontologicheskii Zhurnal, 2: 121–123