Uhangri Formation
| Uhangri Formation | |
|---|---|
| Stratigraphic range: Campanian [1] | |
| Type | Geological formation |
| Unit of | Haenam Group |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Coordinates | 34°36′N 126°24′E / 34.6°N 126.4°E |
| Approximate paleocoordinates | 38°30′N 115°00′E / 38.5°N 115.0°E |
| Region | Cholla-namdo, Jeollanam-do |
| Country |  South Korea |
  Uhangri Formation (South Korea) | |
The Uhangri Formation (Korean: 우항리층; Hanja: 牛項里層; RR: Uhangni-cheung), located at the Uhangri Dinosaur Fossil Site, is a geological formation from which fossil pterosaur tracks have been recovered near Haenam-eup, Jeollanam-do, South Korea.[2]
Fossil contents
[edit]Ichnofossils
[edit]Pterosaur tracks from the Uhangri Formation are housed at the Dinosaur Tracks Museum, of the University of Colorado at Denver and Chonnam National University, Gwangju, South Korea.[3]
| Ichnofossils of the Uhangri Formation[3][4] | ||||
|---|---|---|---|---|
| Taxa | Presence | Description | Images | |
| Haenamichnus uhangriensis | Haenamichnus type locality | Pterosaur tracks | ||
| Pteraichnus | Haenamichnus type locality | Pterosaur tracks | ||
| Hwangsanipes choughi | Haenam | Ornithuromorph bird tracks | ||
| Uhangrichnus chuni | Haenam | Ornithuromorph bird tracks | ||
| Caririchnium | Haenam | Ornithopod tracks | ||
| Lithographus hieroglypichus[5] | Arthropod tracks, associated with burrows and a resting trace. Possibly made by Dragonfly nymphs.[6] | |||
Ostracods
[edit]| Ostracods of the Uhangri Formation[7] | ||||
|---|---|---|---|---|
| Taxa | Presence | Description | Images | |
| Cypridea sp. | ||||
| Candona sp. | ||||
| Eucythere sp. | ||||
Paleoflora
[edit]| Plants of the Uhangri Formation[4] | ||||
|---|---|---|---|---|
| Taxa | Presence | Description | Images | |
| Cupressinoxylon uhangriense | ||||
| Taxodioxylon cf. nihongii | ||||
See also
[edit]References
[edit]- ^ Kim, C.B.; Kim, J.M.; Huh, M. (2008). "Age and stratification of dinosaur eggs and clutches from Seonso Formation, South Korea" (PDF). Journal of the Korean Earth Science Society. 29 (5): 386–395. doi:10.5467/JKESS.2008.29.5.386.
- ^ Uhangri Formation at Fossilworks.org
- ^ a b Lockley et al., 2008
- ^ a b Kim, Jeong Yul; Huh, Min (2018). Dinosaurs, Birds, and Pterosaurs of Korea: A Paradise of Mesozoic Vertebrates (PDF). Springer Nature. ISBN 978-981-10-6998-7.
- ^ Minter, Nicholas J.; Lockley, Martin G.; Huh, Min; Hwang, Koo-Geun; Kim, Jeong Yul (2012). "Lithographus, an Abundant Arthropod Trackway from the Cretaceous Haenam Tracksite of Korea". Ichnos. 19 (1–2): 115–120. Bibcode:2012Ichno..19..115M. doi:10.1080/10420940.2011.625756. S2CID 129177512.
- ^ Jung, Jongyun; Huh, Min; Choi, Byung-Do (29 February 2020). "A comparative study on tracemaker of arthropod trace fossils in the Uhangri Formation, Haenam, Korea". Journal of the Geological Society of Korea. 56 (1): 3–16. doi:10.14770/jgsk.2020.56.1.3.
- ^ Choi, Byung-Do; Wang, Yaqiong (2025). "Cretaceous non-marine ostracod faunas of South Korea: Synthesis of taxonomy, biostratigraphy and paleoecology". Cretaceous Research. 168. 106070. doi:10.1016/j.cretres.2024.106070.
Bibliography
[edit]- Lockley, M.; Harris, J.D.; and Mitchell, L. 2008. "A global overview of pterosaur ichnology: tracksite distribution in space and time." Zitteliana. B28. p. 187-198. ISSN 1612-4138
- K.-G. Hwang, M. Huh, M. G. Lockley, D. M. Unwin, and J. L. Wright. 2002. New pterosaur tracks (Pteraichnidae) from the Late Cretaceous Uhangri Formation, southwestern Korea. Geological Magazine 139:421-435
- Y.-N. Lee and M. Huh. 2002. Manus-only sauropod tracks in the Uhangri Formation (Upper Cretaceous), Korea and their paleobiological implications. Journal of Paleontology 76(3):558-564
- Y.-N. Lee, K.-M. Yu, and C. B. Wood. 2001. A review of vertebrate faunas from the Gyeongsang Supergroup (Cretaceous) in South Korea. Palaeogeography, Palaeoclimatology, Palaeoecology 165:357-373
- S.-Y. Yang, M.G. Lockley, R. Greben, B.R. Erickson, and S.-K. Lim. 1995. Flamingo and duck-like bird tracks from the Late Cretaceous and Early Tertiary: evidence and implications. Ichnos 4:21-34