Allaru Formation

Allaru Formation Stratigraphic range: Albian ~112–100 Ma PreꞒ Ꞓ O S D C P T J K Pg N
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 / 24.8672694°S 146.2388472°E / -24.8672694; 146.2388472Coordinates: 24°52′02.17″S 146°14′19.85″E / 24.8672694°S 146.2388472°E / -24.8672694; 146.2388472
Approximate paleocoordinates	51°00′S 133°06′E / 51.0°S 133.1°E / -51.0; 133.1
Region	Queensland
Country	Australia
Extent	Eromanga Basin
Allaru Formation (Australia) Allaru Formation (Queensland) Show map of AustraliaShow map of QueenslandShow all

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[]

Possible indeterminate ankylosaur remains are present in Queensland. Indeterminate ornithopod remains are present in Queensland.^[1]

Dinosaurs

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]

See also[]

• List of dinosaur-bearing rock formations
  • Winton Formation
• Paja Formation, contemporaneous Lagerstätte in Colombia
• Sierra Madre Formation, contemporaneous fossiliferous formation of Mexico
• Santana Group, contemporaneous Lagerstätte in northeastern Brazil
  • Crato Formation
  • Romualdo Formation
• South Polar region of the Cretaceous

References[]

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