Allaru Formation
The Allaru Formation, also known as the Allaru Mudstone, is a geological formation in Queensland, Australia, whose strata date back to the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1]
| Allaru Formation Stratigraphic range: Albian ~112–100 Ma | |
|---|---|
| Type | Geological formation |
| Unit of | Rolling Downs Group |
| Underlies | Mackunda Formation |
| Overlies | Toolebuc Formation |
| Thickness | Up to 700 m (2,300 ft) |
| Lithology | |
| Primary | Mudstone |
| Other | Siltstone, sandstone, limestone |
| Location | |
| Coordinates | 24°52′02.17″S 146°14′19.85″E |
| Approximate paleocoordinates | 51.0°S 133.1°E |
| Region | Queensland |
| Country | .svg.png){kind=small} |
| Extent | Eromanga Basin |
  Allaru Formation (Australia) | |
Fossil content
late Early Cretaceous (105 Ma)
Possible indeterminate ankylosaur remains are present in Queensland. Indeterminate ornithopod remains are present in Queensland.[1]
| Genus | Species | Location | Material | Notes | Images |
|---|---|---|---|---|---|
| Austrosaurus | A. mckillopi | Queensland | "Doral vertebrae [and possible] incomplete limb remains from several individuals"[2] | [1] | |
| Kunbarrasaurus | K. ieversi | Queensland | [1][3] |  | |
| ?Muttaburrasaurus | ?M. sp. | Queensland | [1] |  |
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See also
- List of dinosaur-bearing rock formations
- Paja Formation, contemporaneous Lagerstätte in Colombia
- Sierra Madre Formation, contemporaneous fossiliferous formation of Mexico
- Santana Group, contemporaneous Lagerstätte in northeastern Brazil
- South Polar region of the Cretaceous
References
- Weishampel et al., 2004, pp.573-574
- "Table 13.1," in Weishampel et al., 2004, p.267
- Leahey et al., 2015
Bibliography
- Leahey, Lucy G.; Ralph E. Molnar; Kenneth Carpenter; Lawrence M. Witmer, and Steven W. Salisbury. 2015. Cranial osteology of the ankylosaurian dinosaur formerly known as Minmi sp. (Ornithischia: Thyreophora) from the Lower Cretaceous Allaru Mudstone of Richmond, Queensland, Australia. PeerJ 3. e1475. Accessed 2020-03-16. doi:10.7717/peerj.1475 PMID 26664806
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
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