Lianmuqin Formation
Geological formation in Xinjiang, China
From Wikipedia, the free encyclopedia
The Lianmuqin Formation,[3] also transcribed as Lianmugin Formation,[4] and Lianmuxin Formation,[5] is an Early Cretaceous geologic formation composed of "interbedded red green and yellow variegated mudstones and siltstones".[6][7] Dinosaur remains have been recovered from it.[8]
| Lianmuqin Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Tugulu Group |
| Underlies | Donggou & Kumutake Formations |
| Overlies | Shengjinkou Formation |
| Thickness | 213–360 m (699–1,181 ft) |
| Lithology | |
| Primary | Mudstone, siltstone |
| Location | |
| Coordinates | 46.0°N 85.8°E |
| Approximate paleocoordinates | 45.0°N 81.9°E |
| Region | Xinjiang |
| Country | China |
| Extent | Junggar Basin |
| Type section | |
| Named for | Lianmuqin |
  Lianmuqin Formation (China)  Lianmuqin Formation (Xinjiang) | |
The formation is named after Lianmuqin Town in Shanshan County, Xinjiang.
Vertebrate paleofauna
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
| Dinosaurs of the Lianmuqin Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Asiatosaurus[9] | A. mongoliensis[9] | NW Junggar Basin | ||||
| Kelmayisaurus[9][10] | K. petrolicus[9] | "Maxilla and dentary."[11] |  | |||
| Xinjiangovenator | X. parvus | "Tibia [and] phalanges."[12] | Formerly thought to be a representative of Phaedrolosaurus ilikensis.[9] |  | ||
| Phaedrolosaurus | P. ilikensis | NW Junggar Basin | "tooth"[13] |  | ||
| Psittacosaurus[9] | P. xinjiangensis[9] | NW Junggar Basin | ||||
| Tugulusaurus[9] | T. faciles[9] | NW Junggar Basin | "Hindlimb, rib, [and a] vertebral centrum."[14] | |||
| Wuerhosaurus[9] | W. homheni[9] | NW Junggar Basin | "Partial skeleton."[15] |  | ||
| Tetenura indet.[16] | NW Junggar Basin | "Isolated tooth" | ||||
Pterosaurs
| Pterosaurs of the Lianmuqin Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
| Dsungaripteridae indet.[17] | indeterminate[17] | Southern Junggar Basin | Not referable to Lonchognathosaurus or Dsungaripterus; likely a new taxon.[17] | |||
| Dsungaripterus | D. weii[18] | NW Junggar Basin |  | |||
| Noripterus | N. complicidens[19] | NW Junggar Basin | ||||
| Lonchognathosaurus | L. acutirostris[19] | Southern Junggar Basin | Possible junior synonym of Dsungaripterus weii.[20] | |||
| Ornithocheiromorpha Indet.[21] | Indeterminate | |||||
Plesiosaurs
| Name | Species | Location | Stratigraphic position | Abundance | Notes | Images |
|---|---|---|---|---|---|---|
| Sinopliosaurus | S. weiyuanensis | NW Junggar Basin | Three vertebrae and a tooth.[22][23] | Dubious genus of plesiosaur. | ||
Crurotarsans
| Name | Species | Location | Stratigraphic position | Abundance | Notes | Images |
|---|---|---|---|---|---|---|
| Edentosuchus | E. tienshanensis[24] | NW Junggar Basin | ||||
Turtles
Color key
|
Notes Uncertain or tentative taxa are in small text; |