Mackunda Formation | |
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Stratigraphic range: Late Albian ~ | |
Type | Geological formation |
Unit of | Rolling Downs Group |
Underlies | Winton Formation |
Overlies | Allaru Formation |
Thickness | Up to 275 m (902 ft) |
Lithology | |
Primary | Sandstone, siltstone, shale, marl |
Location | |
Coordinates | 22°44′03″S142°08′30″E / 22.73417°S 142.14167°E |
Approximate paleocoordinates | 52°54′S132°00′E / 52.9°S 132.0°E |
Region | Queensland |
Country | Australia |
Extent | Eromanga Basin |
The Mackunda Formation 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] It consists primarily of interbedded and cross bedded greensand, with variably calcareous shale, with local ferricrete. [2]
Archosaurs | |||||
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Genus | Species | Presence | Materials | Notes | Images |
Ctenochasmatoidea [3] | Indeterminate | Queensland, Australia. [3] | |||
Iguanodontidae [4] | Indeterminate | Queensland, Australia. [4] | |||
Muttaburrasaurus [1] | M. langdoni | Queensland, Australia. [1] | "Skull and postcrania, fragmentary skeleton." [5] | An iguanodontian hadrosaur. | ![]() |