The Colalura Sandstone is a Middle Jurassic geologic formation of the Perth Basin of Western Australia. The formation overlies the Moonyoonooka Sandstone.[2]
| Colalura Sandstone | |
|---|---|
| Stratigraphic range: middle Bajocian ~ | |
| Type | Geological formation |
| Unit of | Champion Bay Group |
| Underlies | Bringo Shale, Newmarracarra Limestone[1] |
| Overlies | Moonyoonooka Sandstone |
| Thickness | Maximum 8.5 m (28 ft) |
| Lithology | |
| Primary | Sandstone, conglomerate |
| Other | Claystone, siltstone, shale |
| Location | |
| Coordinates | 28°42′S 114°48′E / 28.7°S 114.8°E |
| Approximate paleocoordinates | 39°48′S 57°30′E / 39.8°S 57.5°E |
| Region | Western Australia |
| Country |  Australia |
| Extent | Perth Basin |
  Colalura Sandstone (Australia)  Colalura Sandstone (Western Australia) | |
Vertebrate paleofauna
editFew remains of the sandstone have been assigned to a genus. Unassigned remains include rare reptilian bones such as an isolated plesiosaur vertebra and paddle.[1]
| Vertebrates | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Ozraptor | O. subotaii | Western Australia | The distal end of a tibia[1][3] | The single bone is of a questionable theropod identity.[4] | ||
| Sauropoda | Indeterminate | Caudal vertebra | ||||
Flora
editPetrified wood is very common in the Colalura Sandstone.[1]
See also
editReferences
edit- ^ a b c d Long, J.A.; Molnar, R.E. (1998). "A new Jurassic theropod dinosaur from Western Australia" (PDF). Records of the Western Australian Museum. 19: 121–129.
- ^ "Australian Stratigraphic Units Database, Geoscience Australia".
- ^ a b Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (6 November 2004). The Dinosauria (Second Ed.). University of California Press. pp. 1–861. ISBN 978-0-520-24209-8.
- ^ Rahut, O.W.M. (2005). "Osteology and Relationships of a New Theropod Dinosaur from the Middle Jurassic of Patagonia" (PDF). Palaeontology. 48 (1): 87–110. Bibcode:2005Palgy..48...87R. doi:10.1111/j.1475-4983.2004.00436.x.