Allaru Formation
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| Allaru Formation | |
|---|---|
| Stratigraphic range: Albian ~ | |
| 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 | Lua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value). |
| Approximate paleocoordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| Region | Queensland |
| Country | Australia |
| Extent | Eromanga Basin |
  Allaru Formation (Australia)  Allaru Formation (Queensland) | |
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]
Fossil content
[edit | edit source]Possible indeterminate ankylosaur remains are present in Queensland. Indeterminate ornithopod remains are present in Queensland.[1]
Archosaurs
[edit | edit source]Dinosaurs
[edit | edit source]| Genus | Species | Location | Material | Notes | Images |
|---|---|---|---|---|---|
| Austrosaurus | A. mckillopi | Queensland | "Doral vertebrae [and possible] incomplete limb remains from several individuals"[2] | A Somphospondyli sauropod.[1] |  |
| Kunbarrasaurus | K. ieversi | Queensland | A parankylosaur.[1][3] |  | |
| ?Muttaburrasaurus | ?M. sp. | Queensland | [1] |  |
Reptiles
[edit | edit source]| Genus | Species | Location | Material | Notes | Images |
|---|---|---|---|---|---|
| Elasmosauridae | Indeterminate | Specimen number QMF2100, an articulated torso. Stomach cavity contains crustacean and fish remains as well as ~135 gastroliths.[4] | [4] | ||
| Notochelone | N. costata | [5] |  | ||
| Platypterygius | P. australis (=longmani) | [5] |  |
Fish
[edit | edit source]| Genus | Species | Location | Material | Notes | Images |
|---|---|---|---|---|---|
| Cooyoo | C. australis | Queensland | [6] | ||
| Flindersichthys | F. denmeadi | [7] | |||
| Pachyrhizodus | P. marathonensis, P. grawi | Two species known from both this and the Toolebuc Formation[8] | |||
| Richmondichthys | R. sweeti | An aspidorhynchid also found in the Toolebuc Formation[9] |
Invertebrates
[edit | edit source]| Genus | Species | Location | Material | Notes | Images |
|---|---|---|---|---|---|
| Eromangateuthis | E. soniae | Queensland | "Gladius" | [2] | |
| Goodhallites | G. goodhalli | [10] | |||
| Inoceramus | I. sutherlandi | Queensland | [11] | ||
| Mckenziephyllia | M. accordensis | [12] |
See also
[edit | edit source]- 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
[edit | edit source]- ^ a b c d e Weishampel et al., 2004, pp.573-574
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Leahey et al., 2015
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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Bibliography
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