| Newmarracarra Limestone | |
| Type: | Geological formation |
| Age: | Late Bajocian ~ |
| Period: | Bajocian |
| Prilithology: | Limestone |
| Otherlithology: | Sandstone |
| Region: | Western Australia |
| Country: |  Australia |
| Coordinates: | -28.7°N 114.8°W |
| Paleocoordinates: | -40.1°N 57.5°W |
| Unitof: | Champion Bay Group |
| Underlies: | Kojarena Sandstone |
| Overlies: | Colalura Sandstone, Bringo Shale |
| Extent: | Perth Basin |
The Newmarracarra Limestone is a Bajocian geologic formation, in Western Australia. It consists of yellow grey sandy or clayey limestone, which occasionally grades into calcareous sandstone.[1] Fossils of the Rhynchonellida in the family Wellerellidae, Cirpa fromontae were reported from the formation.[2]