The Gugyedong Formation (Korean: 구계동층; Hanja: 龜溪洞層; RR: Gugyedong-cheung), also known as the Guyedong Beds, is an Aptian to Albian geologic formation in South Korea.[1] Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[2]
| Gugyedong Formation | |
|---|---|
| Stratigraphic range: Aptian-Albian ~ | |
| Type | Geological formation |
| Unit of | Hayang Group |
| Lithology | |
| Primary | Siltstone, conglomerate |
| Location | |
| Coordinates | 36°00′N 128°30′E / 36.0°N 128.5°E |
| Approximate paleocoordinates | 43°54′N 126°24′E / 43.9°N 126.4°E |
| Region | Gyeongsangbuk-do |
| Country |  South Korea |
| Extent | Gyeongsang Basin |
  Gugyedong Formation (South Korea) | |
Fossil content
editThe following fossils have been reported from the formation:[1]
- Reptiles
- Ultrasaurus tabriensis- Nomen Dubium[3][4]
- Dromaeosauridae indet. (="Koreanosaurus koreanensis")[3][5]
- Sauropoda indet.[3]
- Testudines indet.[5]
- Flora
See also
editReferences
edit- ^ a b Guyedong Formation in the Paleobiology Database
- ^ Weishampel et al., 2004, pp.517-607
- ^ a b c Kim, Haang-Mook (1983). "Cretaceous dinosaurs from Korea". Journal of the Geological Society of Korea. 19: 115–126.
- ^ Lee, Yuong-Nam; Yang, Seong-Young; Park, Eun-Ju (1997). "Sauropod dinosaur remains from the Gyeongsang Supergroup, Korea". Paleontological Society of Korea Special Publication. 2: 103–114.
- ^ a b c Kim, Haang Mook; Gishlick, Alan D.; Tsuihiji, Takanobu (April 2005). "The first non-avian maniraptoran skeletal remains from the Lower Cretaceous of Korea" (PDF). Cretaceous Research. 26 (2): 299–306. Bibcode:2005CrRes..26..299K. doi:10.1016/j.cretres.2005.01.001.