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°00′N85°48′E / 46.0°N 85.8°E |
Approximate paleocoordinates | 45°00′N81°54′E / 45.0°N 81.9°E |
Region | Xinjiang |
Country | China |
Extent | Junggar Basin |
Type section | |
Named for | Lianmuqin |
The Lianmuqin Formation, [2] also transcribed as Lianmugin Formation, [3] and Lianmuxin Formation, [4] is an Early Cretaceous geologic formation composed of "interbedded red green and yellow variegated mudstones and siltstones". [5] [6] Dinosaur remains have been recovered from it. [7]
The formation is named after Lianmuqin Town in Shanshan County, Xinjiang.
Dinosaurs of the Lianmuqin Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Asiatosaurus [8] | A. mongoliensis [8] | NW Junggar Basin | ||||
Kelmayisaurus [8] [9] | K. petrolicus [8] | NW Junggar Basin | "Maxilla and dentary." [10] | |||
Xinjiangovenator | X. parvus | NW Junggar Basin | "Tibia [and] phalanges." [11] | Formerly thought to be a representative of Phaedrolosaurus ilikensis. [8] | ||
Phaedrolosaurus | P. ilikensis | NW Junggar Basin | "tooth" [12] | |||
Psittacosaurus [8] | P. xinjiangensis [8] | NW Junggar Basin | ||||
Tugulusaurus [8] | T. faciles [8] | NW Junggar Basin | "Hindlimb, rib, [and a] vertebral centrum." [13] | |||
Wuerhosaurus [8] | W. homheni [8] | NW Junggar Basin | "Partial skeleton." [14] | ![]() | ||
Pterosaurs of the Lianmuqin Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
Dsungaripteridae indet. [15] | indeterminate [15] | Southern Junggar Basin | Not referable to Lonchognathosaurus or Dsungaripterus ; likely a new taxon. [15] | |||
Dsungaripterus | D. weii [16] | NW Junggar Basin | ![]() | |||
Noripterus | N. complicidens [17] | NW Junggar Basin | ||||
Lonchognathosaurus | L. acutirostris [17] | Southern Junggar Basin | Possible junior synonym of Dsungaripterus weii. [18] | |||
Ornithocheiromorpha Indet. [19] | Indeterminate | |||||
Name | Species | Location | Stratigraphic position | Abundance | Notes | Images |
---|---|---|---|---|---|---|
Sinopliosaurus | S. weiyuanensis | NW Junggar Basin | Three vertebrae and a tooth. [20] [21] | Dubious genus of plesiosaur. | ||
Name | Species | Location | Stratigraphic position | Abundance | Notes | Images |
---|---|---|---|---|---|---|
Edentosuchus | E. tienshanensis [22] | NW Junggar Basin | ||||
Name | Species | Location | Stratigraphic position | Abundance | Notes | Images |
---|---|---|---|---|---|---|
Dracochelys | D. bicuspis | Southern Junggar Basin | [23] | |||
Ordosemys | O. brinkmania | NW Junggar Basin | [23] | |||
Wuguia | W. efremovi | Southern Junggar Basin | [23] | |||
Xinjiangchelys | X. sp. | NW Junggar Basin | [23] | |||
Color key
| Notes Uncertain or tentative taxa are in small text; |
{{cite book}}
: CS1 maint: publisher location (link)