Gugyedong Formation
Geologic formation in South Korea
From Wikipedia, the free encyclopedia
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 | 36.0°N 128.5°E |
| Approximate paleocoordinates | 43.9°N 126.4°E |
| Region | Gyeongsangbuk-do |
| Country | South Korea |
| Extent | Gyeongsang Basin |
  Gugyedong Formation (South Korea) | |
Fossil content
The 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
- Pseudofrenelopsis parceramosa[5]