Luohandong Formation
Geologic formation in Inner Mongolia
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The Luohandong Formation is an Early Cretaceous geologic formation of the Ordos Basin in Inner Mongolia, China. The formation was initially dated to the earliest Cretaceous; Valanginian to Barremian, but later dating established an Aptian to Albian age. Dinosaur remains are among the fossils that have been recovered from the formation.[1] Pterosaur fossils have also been recovered from the formation.
| Luohandong Formation | |
|---|---|
| Stratigraphic range: Aptian-Albian ~ | |
| Type | Geological formation |
| Unit of | Zhidan Group |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 38.9°N 108.1°E |
| Approximate paleocoordinates | 39.9°N 110.5°E |
| Region | Inner Mongolia |
| Country | China |
| Extent | Ordos Basin |
  Luohandong Formation (China) | |
Fossil content
Vertebrates
- Ikechosaurus sunailinae
- Ordosipterus planignathus[2]
- Otogopterus haoae[3]
- Shantungosuchus hangjinensis
- Wuerhosaurus ordosensis[4]
- Ordosemys leios
- Sinemys gamera
- Eotomistoma sp.
- Psittacosaurus sp.
- Sinamia sp.
- Iguanodontidae indet.
- Mammalia indet.
- Neosuchia indet.
- Psittacosauridae indet.
- Pterosauria indet.
- Sauropoda indet.
- Stegosauria indet.
Insects
- Dataiphis coniferis
- Fuxiaeschna hsiufunia